ICS Part 1 Physics English Medium Chapter 4 Online Short Questions Test with Answers

Online Short Questions For Chapter 4 "ICS Part 1 Physics Chapter 4 Short Questions Test "

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Physics - ICS Part 1 Physics Chapter 4 Short Questions Test

Question # 1

What sort of energy is in the following?
A Moving Car
A Compressed Spring

Ans 1:
A Moving car has kinetics energy .
A Compressed Spring has elastic potential energy.

Question # 2

What are non-conventional energy sources? Describe briefly.

Ans 1: The energy sources which are not very common theses days are called non- conventional energy sources. Some of the non-conventional energy sources are :
1. Energy from tides
2. Energy from waves
3. Energy from biomass
4. Energy from waste products
5. Solar Energy
6. Geothermal Energy

Question # 3

Define conservative and non-conservative fields?

Ans 1: Conservative field: The field in which work done along a closed path is zero is called conservative field. For Example, Earth's gravitational field

Non-Conservative fields:The field in which work done along a closed path is not zero is called non-conservative field. For Example, field of frictional force.

Question # 4

How can you get energy from the waves?

Ans 1: The tides and winds blow across the surface of ocean due to which strong water waves are produced. Professor Salter invented a devices called Salter's duck.It has two parts: duck float and balance float. The wave energy produces the movement in duck float relative to balance float. The relative motion of duck float can be used to run electricity generators.

Question # 5

How many most common methods can be used for the conversion of biomass into fuel? Write their names.

Ans 1: There are two methods for conversion of biomass into fuel:
- Direct Combustion Method
- Fermentation Method

Question # 6

When a rocket re enters the atmosphere, its nose con becomes very hot.Where does this heat energy come from?

Ans 1: The atmosphere of earth contains a large number of dust particles,gases and water vapours.So when a rocket enters into the atmosphere and passes through these particles, due to the force of friction, the kinetic energy of the rocket is lost in the form of heat. That's why its nose cone becomes very hot.

Question # 7

Name at least two renewable and two non-renewable energy sources.

Ans 1: The renewable source of energy are:
1. Wind
2. Tides
3. Biomass
4. Sunlight
The non-renewable sources of energy are
1. Coal
2. Natural gas
3. Oil
4. Uranium

Question # 8

How energy can be obtained from waste products?

Ans 1: Wate products like wood waste, crop residue, and municipal solid waste is burnt in a confined container. Heat produced in this way is directly utilized in the boiler to produce steam that can run turbine generator.

Question # 9

A girl drops a cup from a certain height which breaks into pieces.What energy changes are involved?

Ans 1: When the cup was in the hands of girl, it had gravitational P.E when the cup is dropped, its P.E. Is converted into the K,E On striking the ground , this energy is converted into sound energy, heat, work done in breaking the cup into pieces and kinetic energy of pieces.

Question # 10

How can we gain energy from tides?

Ans 1: The tides raise the water in the sea roughly twice a day.If the water at the high tides is trapped in a basin by constructing a dam, then it is possible to use this as a source of energy. There dam is filled at high tide and water is released in a controlled way at low tide to drive the turbines and generate electricity.

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Prepare Complete Set Wise Questions For Chapter 4 "ICS Part 1 Physics Chapter 4 Short Questions Test "

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ICS Part 1 Physics Chapter 4 Short Questions Test - Set 1

Question # 1

What sort of energy is in the following?
A Moving Car
A Compressed Spring

Ans 1:
A Moving car has kinetics energy .
A Compressed Spring has elastic potential energy.

Question # 2

What are non-conventional energy sources? Describe briefly.

Ans 1: The energy sources which are not very common theses days are called non- conventional energy sources. Some of the non-conventional energy sources are :
1. Energy from tides
2. Energy from waves
3. Energy from biomass
4. Energy from waste products
5. Solar Energy
6. Geothermal Energy

Question # 3

Define conservative and non-conservative fields?

Ans 1: Conservative field: The field in which work done along a closed path is zero is called conservative field. For Example, Earth's gravitational field

Non-Conservative fields:The field in which work done along a closed path is not zero is called non-conservative field. For Example, field of frictional force.

Question # 4

How can you get energy from the waves?

Ans 1: The tides and winds blow across the surface of ocean due to which strong water waves are produced. Professor Salter invented a devices called Salter's duck.It has two parts: duck float and balance float. The wave energy produces the movement in duck float relative to balance float. The relative motion of duck float can be used to run electricity generators.

Question # 5

How many most common methods can be used for the conversion of biomass into fuel? Write their names.

Ans 1: There are two methods for conversion of biomass into fuel:
- Direct Combustion Method
- Fermentation Method

Question # 6

When a rocket re enters the atmosphere, its nose con becomes very hot.Where does this heat energy come from?

Ans 1: The atmosphere of earth contains a large number of dust particles,gases and water vapours.So when a rocket enters into the atmosphere and passes through these particles, due to the force of friction, the kinetic energy of the rocket is lost in the form of heat. That's why its nose cone becomes very hot.

Question # 7

Name at least two renewable and two non-renewable energy sources.

Ans 1: The renewable source of energy are:
1. Wind
2. Tides
3. Biomass
4. Sunlight
The non-renewable sources of energy are
1. Coal
2. Natural gas
3. Oil
4. Uranium

Question # 8

How energy can be obtained from waste products?

Ans 1: Wate products like wood waste, crop residue, and municipal solid waste is burnt in a confined container. Heat produced in this way is directly utilized in the boiler to produce steam that can run turbine generator.

Question # 9

A girl drops a cup from a certain height which breaks into pieces.What energy changes are involved?

Ans 1: When the cup was in the hands of girl, it had gravitational P.E when the cup is dropped, its P.E. Is converted into the K,E On striking the ground , this energy is converted into sound energy, heat, work done in breaking the cup into pieces and kinetic energy of pieces.

Question # 10

How can we gain energy from tides?

Ans 1: The tides raise the water in the sea roughly twice a day.If the water at the high tides is trapped in a basin by constructing a dam, then it is possible to use this as a source of energy. There dam is filled at high tide and water is released in a controlled way at low tide to drive the turbines and generate electricity.

Submit

ICS Part 1 Physics Chapter 4 Short Questions Test - Set 2

Question # 1

Show that 1 kWh = 3.6x10⁶J

Ans 1: As
1 kWh=1000 Wx 3600 s
1 kWh =3600000 j
1 kWh = 3.6x10⁶j

Question # 2

Define energy ? write the units of energy?

Ans 1: Energy:The capacity of a body to do work is known as energy.
Unit of Energy:Joule, Kilo, Mega joule, kilo watt . hour are the units of energy.

Question # 3

Discuss the work done in gravitational Field?

Ans 1:

Question # 4

How energy is obtained from direct combustion and fermentation.

Ans 1: Direct Combustion: It is applied to get energy from waste product commonly known as solid waste and confined it into chamber and ignite it.The heat produced is then used in a boiler to run the turbine of generator

Fermentation: Biofuel such as ethanol is a replacement of gasoline which is obtained by fermentation of biomass using. Enzymes and by decomposition through bacterial action in the absence of air . The rotting of biomass in a closed tank called digester produces biogas which can be piped out to use for cooking and heating.

Question # 5

What is solar constant ? What is its value?

Ans 1: Solar energy at incidence outside the Earth's atmosphere is about 1.4kw m^-2which is referred as solar constant.

Question # 6

Define work and its SI unit.

Ans 1:

Question # 7

What is Salter's duck?

Ans 1: Salter's duck is a device which can be used to utilize the water waves energy and to generate electricity .It consists of two parts
1. Duck float
2. Balance float
The wave energy makes duck float move relative to the balance float. The relative motion of the duck float is then used to run electricity generators.

Question # 8

What are renewable & non-renewable energy sources? Give example of each .

Ans 1: Renewable energy is derived from natural processes that are replenished constantly . Such as wind tides etc.
Non-renewable energy source is a source that does not renew itself. Such as coal, natural gas etc.

Question # 9

When a rocket re enters the atmosphere, its nose con becomes very hot.Where does this heat energy come from?

Ans 1: The atmosphere of earth contains a large number of dust particles,gases and water vapours.So when a rocket enters into the atmosphere and passes through these particles, due to the force of friction, the kinetic energy of the rocket is lost in the form of heat. That's why its nose cone becomes very hot.

Question # 10

Write some methods to obtain solar energy.

Ans 1: Solar energy can be used directly to heat water using large solar reflectors (mirrors) and thermal absorbers.
Semi-conductor devices called solar cells are used to convert sunlight into electricity. Solar cells are thin wafers made from silicon,
For cloudy days or nights, electric energy can be saved in Nickel cadmium batteries by connecting them to solar panels.

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ICS Part 1 Physics Chapter 4 Short Questions Test - Set 3

Question # 1

Show that 1 kWh = 3.6x10⁶J

Ans 1: As
1 kWh=1000 Wx 3600 s
1 kWh =3600000 j
1 kWh = 3.6x10⁶j

Question # 2

Explain briefly about residual heat of the earth.

Ans 1: Hot igneous rocks within 10km of earth's surface are present in molten form They conduct heat energy from interior part of the earth. The temperature of these rocks is 200° C or more.

Question # 3

What is solar constant ? What is its value?

Ans 1: Solar energy at incidence outside the Earth's atmosphere is about 1.4kw m^-2which is referred as solar constant.

Question # 4

A boy uses a catapult to throw a stone which accidentally smashes a greenhouse window.What energy changes are involved?

Ans 1: Initially, the catapult had elastic P.E when the stone is thrown, its P.E is converted into K.E On striking the window, this energy is converted into sound energy, heat energy work done in breaking the window into pieces and kinetic energy of pieces.

Question # 5

Define conservative field.Give its example.

Ans 1: Conservative Field: The field in which work done along a closed path is zero is called conservative field.For example, Earth's Gravitational field

Question # 6

Differentiate between geyser and aquifer.

Ans 1: Geyser isa hot spring that discharges steam and hot water, intermittently releasing an explosive column into the air

Aquifer is a layer of rock holding water that allows water to percolate through it with pressure.

Question # 7

How many most common methods can be used for the conversion of biomass into fuel? Write their names.

Ans 1: There are two methods for conversion of biomass into fuel:
- Direct Combustion Method
- Fermentation Method

Question # 8

What is 'Aquifer'?`

Ans 1: Aquifer is a layer of rock holding water that allows water to percolate through it with pressure.

Question # 9

How sunlight is directly converted into electricity by solar cells?

Ans 1: By using semiconductor devices,the solar cell also called photo voltaic cell, sunlight can be directly converted into electricity. These solar cells are made of silicon wafers. Electron in the silicon gain energy from sunlight to create a voltage. Voltage can be increased by increasing the number of solar cells.

Question # 10

Define kilowatt hour (kWh).

Ans 1: Kilowatt hour is the work done in one hour by an agency whose power is one kilowatt.
1 kWh = 3.6x10⁶

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ICS Part 1 Physics Chapter 4 Short Questions Test - Set 4

Question # 1

Discuss the work-energy principal ?

Ans 1: Consider a body of mass 'm' placed on the ground. Now if some force 'F' is applied on the body, then the body will start motion with initial velocity V₁in the direction of applied force. If we neglect the force of friction then the body will continue its motion

Question # 2

Define Kinetic energy ?

Ans 1: Kinetic Energy (K.E):The energy in the body due to its motion is known as kinetic energy.

Question # 3

Write down two sources of energy which are renewable

Ans 1: The renewable sources of energy are:
1. Hydroelectric Energy
2. Wind Energy
3. Tides Energy
4. Biomass Energy
5. Sunlight Energy

Question # 4

Define energy ? write the units of energy?

Ans 1: Energy:The capacity of a body to do work is known as energy.
Unit of Energy:Joule, Kilo, Mega joule, kilo watt . hour are the units of energy.

Question # 5

Define conservative field.Give its example.

Ans 1: Conservative Field: The field in which work done along a closed path is zero is called conservative field.For example, Earth's Gravitational field

Question # 6

What is a machine ? Discuss the input and output and efficiency of a mechanical machine ?

Ans 1: Machine:A machine is a thing or device with the help of which we can do more work than we can do by hands.
Input of Mechanical machine:The amount of work dine on a machine by a given effort force is known as input of machine.
Input = effort *effort arm
Input = P*d
Output of Mechanical Machine:The amount of work done by a machine on the load (weight) is known as output of the machine
output = load * load arm
output = w*d
Efficiency:The ratio of output and input of a machine is known as efficiency
Efficiency:Output / input
n = w*d/ p*d

Question # 7

What are renewable & non-renewable energy sources? Give example of each .

Ans 1: Renewable energy is derived from natural processes that are replenished constantly . Such as wind tides etc.
Non-renewable energy source is a source that does not renew itself. Such as coal, natural gas etc.

Question # 8

What are non-conventional energy sources? Describe briefly.

Ans 1: The energy sources which are not very common theses days are called non- conventional energy sources. Some of the non-conventional energy sources are :
1. Energy from tides
2. Energy from waves
3. Energy from biomass
4. Energy from waste products
5. Solar Energy
6. Geothermal Energy

Question # 9

What is 'Aquifer'?`

Ans 1: Aquifer is a layer of rock holding water that allows water to percolate through it with pressure.

Question # 10

What do you mean by variable force?Give its two examples?

Ans 1: The force which is not constant but varies in magnitude and direction or in both is called a variable force.
1. Force a gravity acting on a rocket moving away from earth.
2. Force exerted by the spring increases by the amount of stretch.

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ICS Part 1 Physics Short Questions Test

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ICS Part 1 Physics English Medium Chapter 4 Online Short Questions Test with Answers

Online Short Questions For Chapter 4 "ICS Part 1 Physics Chapter 4 Short Questions Test "

Physics - ICS Part 1 Physics Chapter 4 Short Questions Test

What sort of energy is in the following?A Moving CarA Compressed Spring

What are non-conventional energy sources? Describe briefly.

Define conservative and non-conservative fields?

How can you get energy from the waves?

How many most common methods can be used for the conversion of biomass into fuel? Write their names.

When a rocket re enters the atmosphere, its nose con becomes very hot.Where does this heat energy come from?

Name at least two renewable and two non-renewable energy sources.

How energy can be obtained from waste products?

A girl drops a cup from a certain height which breaks into pieces.What energy changes are involved?

How can we gain energy from tides?

Prepare Complete Set Wise Questions For Chapter 4 "ICS Part 1 Physics Chapter 4 Short Questions Test "

Set 1

Set 2

Set 3

Set 4

ICS Part 1 Physics Chapter 4 Short Questions Test - Set 1

What sort of energy is in the following?A Moving CarA Compressed Spring

What are non-conventional energy sources? Describe briefly.

Define conservative and non-conservative fields?

How can you get energy from the waves?

How many most common methods can be used for the conversion of biomass into fuel? Write their names.

When a rocket re enters the atmosphere, its nose con becomes very hot.Where does this heat energy come from?

Name at least two renewable and two non-renewable energy sources.

How energy can be obtained from waste products?

A girl drops a cup from a certain height which breaks into pieces.What energy changes are involved?

How can we gain energy from tides?

ICS Part 1 Physics Chapter 4 Short Questions Test - Set 2

Show that 1 kWh = 3.6x106J

Define energy ? write the units of energy?

Discuss the work done in gravitational Field?

How energy is obtained from direct combustion and fermentation.

What is solar constant ? What is its value?

Define work and its SI unit.

What is Salter's duck?

What are renewable & non-renewable energy sources? Give example of each .

When a rocket re enters the atmosphere, its nose con becomes very hot.Where does this heat energy come from?

Write some methods to obtain solar energy.

ICS Part 1 Physics Chapter 4 Short Questions Test - Set 3

Show that 1 kWh = 3.6x106J

Explain briefly about residual heat of the earth.

What is solar constant ? What is its value?

A boy uses a catapult to throw a stone which accidentally smashes a greenhouse window.What energy changes are involved?

Define conservative field.Give its example.

Differentiate between geyser and aquifer.

How many most common methods can be used for the conversion of biomass into fuel? Write their names.

What is 'Aquifer'?`

How sunlight is directly converted into electricity by solar cells?

Define kilowatt hour (kWh).

ICS Part 1 Physics Chapter 4 Short Questions Test - Set 4

Discuss the work-energy principal ?

Define Kinetic energy ?

Write down two sources of energy which are renewable

Define energy ? write the units of energy?

Define conservative field.Give its example.

What is a machine ? Discuss the input and output and efficiency of a mechanical machine ?

What are renewable & non-renewable energy sources? Give example of each .

What are non-conventional energy sources? Describe briefly.

What is 'Aquifer'?`

What do you mean by variable force?Give its two examples?

ICS Part 1 Physics Short Questions Test

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What sort of energy is in the following?
A Moving Car
A Compressed Spring

What sort of energy is in the following?
A Moving Car
A Compressed Spring

Show that 1 kWh = 3.6x10⁶J

Show that 1 kWh = 3.6x10⁶J