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 Kinetic energy ?

  • Ans 1: Kinetic Energy (K.E):The energy in the body due to its motion is known as kinetic energy.
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Prepare Complete Set Wise Questions For Chapter 4 "ICS Part 1 Physics Chapter 4 Short Questions Test "

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

Question # 1

Define Kinetic energy ?

  • Ans 1: Kinetic Energy (K.E):The energy in the body due to its motion is known as kinetic energy.
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ICS Part 1 Physics Chapter 4 Short Questions Test - Set 2

Question # 1

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

Question # 1

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

Question # 1

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
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ICS Part 1 Physics Short Questions Test

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