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

Define work and its SI unit.

Ans 1:

Question # 2

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 # 3

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 # 4

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 # 5

How heat is generated within the Earth?

Ans 1: Heat within the earth is generated by the following process.
1. Radioactive decay
2. Residual heat of the earth (usually within 10km of earth's surface).
3. Compression of material deep inside the earth.

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

Show that work done in a gravitational Field is independent of the path ?

Ans 1:

Question # 8

What sort of energy is in the following?
(A) Compressed spring (b) Water in high dam

Ans 1: a) A compressed spring has Elastic Potential Energy stored in it.
B) Water in a high dam has Gravitational potential Energy in it.

Question # 9

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 # 10

Name some non- conventional energy sources.

Ans 1: Some of the non-conventional energy sources are:
- Energy from tides
- Energy from waves
- Energy from biomass
- Energy from waste products
- Solar Energy
- Geothermal Energy

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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

Define work and its SI unit.

Ans 1:

Question # 2

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 # 3

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 # 4

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 # 5

How heat is generated within the Earth?

Ans 1: Heat within the earth is generated by the following process.
1. Radioactive decay
2. Residual heat of the earth (usually within 10km of earth's surface).
3. Compression of material deep inside the earth.

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

Show that work done in a gravitational Field is independent of the path ?

Ans 1:

Question # 8

What sort of energy is in the following?
(A) Compressed spring (b) Water in high dam

Ans 1: a) A compressed spring has Elastic Potential Energy stored in it.
B) Water in a high dam has Gravitational potential Energy in it.

Question # 9

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 # 10

Name some non- conventional energy sources.

Ans 1: Some of the non-conventional energy sources are:
- Energy from tides
- Energy from waves
- Energy from biomass
- Energy from waste products
- Solar Energy
- Geothermal Energy

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

Question # 1

An object has one joule of potential energy.Explain what it means.

Ans 1: It means that work has been done on the body by the force of 1 N which has lifted the body through a distance of 1 m.This work has been stored in the body in the form of P.E. Which is 1J.

Question # 2

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 # 3

Define work and its SI unit.

Ans 1:

Question # 4

Discuss the work done in gravitational Field?

Ans 1:

Question # 5

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 # 6

Show that work done in a gravitational Field is independent of the path ?

Ans 1:

Question # 7

What is geothermal energy? How is it generated ?

Ans 1: The heat energy extracted from inside the Earth in the form of steam or hot water is called geothermal energy.
It can be generated by the following processes
- Radioactive Decay
- Residual Heat of Earth
- Compression of Material

Question # 8

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 # 9

Differentiate between conservative and non- conservative force.

Ans 1: Conservative Force: The force by which work done along a closed path is zero is called conservative force. For Example, gravitational force, electric force and magnetic force.

Non-Conservative Force: The force by which work done along a closed path is not zero is called non-conservative force. For example,frictional force, air resistance and normal force.

Question # 10

What are the essential conditions for conservative field?

Ans 1: For a field to be conservative, energy should be conserved and work should be independent of the path followed.As in case of work done along a path in the gravitational field of earth.

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

Question # 1

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 # 2

Discuss the work done in gravitational Field?

Ans 1:

Question # 3

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 # 4

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 # 5

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 # 6

Differentiate between conservative and non- conservative force.

Ans 1: Conservative Force: The force by which work done along a closed path is zero is called conservative force. For Example, gravitational force, electric force and magnetic force.

Non-Conservative Force: The force by which work done along a closed path is not zero is called non-conservative force. For example,frictional force, air resistance and normal force.

Question # 7

Define Kinetic energy ?

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

Question # 8

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 # 9

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 # 10

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

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

Question # 1

Define work and its SI unit.

Ans 1:

Question # 2

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.

Question # 3

Define Kinetic energy ?

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

Question # 4

Explain briefly how the energy is obtained from the fermentation of biomass.

Ans 1: Biofuel such as ethanol is a replacement of gasoline. It 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 a digester produces biogas which can be pipped out to use for cooking and heating

Question # 5

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 # 6

How heat is generated within the Earth?

Ans 1: Heat within the earth is generated by the following process.
1. Radioactive decay
2. Residual heat of the earth (usually within 10km of earth's surface).
3. Compression of material deep inside the earth.

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

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 # 9

Define power and instantaneous power?

Ans 1: Power:The power of doing work is known as power. It is represented by 'P' and is given by
Power = work/time
P = w/t
Instantaneous Power:The rate of doing work in the limit when 't' approaches to zero is known as instantaneous power.

Question # 10

Show that work done in a gravitational Field is independent of the path ?

Ans 1:

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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

Define work and its SI unit.

What is Salter's duck?

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

What are non-conventional energy sources? Describe briefly.

How heat is generated within the Earth?

Differentiate between geyser and aquifer.

Show that work done in a gravitational Field is independent of the path ?

What sort of energy is in the following?(A) Compressed spring (b) Water in high dam

What is solar constant ? What is its value?

Name some non- conventional energy sources.

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

Define work and its SI unit.

What is Salter's duck?

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

What are non-conventional energy sources? Describe briefly.

How heat is generated within the Earth?

Differentiate between geyser and aquifer.

Show that work done in a gravitational Field is independent of the path ?

What sort of energy is in the following?(A) Compressed spring (b) Water in high dam

What is solar constant ? What is its value?

Name some non- conventional energy sources.

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

An object has one joule of potential energy.Explain what it means.

What is solar constant ? What is its value?

Define work and its SI unit.

Discuss the work done in gravitational Field?

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

Show that work done in a gravitational Field is independent of the path ?

What is geothermal energy? How is it generated ?

How energy is obtained from direct combustion and fermentation.

Differentiate between conservative and non- conservative force.

What are the essential conditions for conservative field?

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

Define conservative field.Give its example.

Discuss the work done in gravitational Field?

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

How energy can be obtained from waste products?

Differentiate between geyser and aquifer.

Differentiate between conservative and non- conservative force.

Define Kinetic energy ?

Define conservative and non-conservative fields?

What is Salter's duck?

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

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

Define work and its SI unit.

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

Define Kinetic energy ?

Explain briefly how the energy is obtained from the fermentation of biomass.

What are non-conventional energy sources? Describe briefly.

How heat is generated within the Earth?

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

What is solar constant ? What is its value?

Define power and instantaneous power?

Show that work done in a gravitational Field is independent of the path ?

ICS Part 1 Physics Short Questions Test

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What sort of energy is in the following?
(A) Compressed spring (b) Water in high dam

What sort of energy is in the following?
(A) Compressed spring (b) Water in high dam

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