ICS Part 1 Physics English Medium Chapter 3 Online Short Questions Test with Answers

Online Short Questions For Chapter 3 "ICS Part 1 Physics Chapter 3 Short Questions Test "

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Physics - ICS Part 1 Physics Chapter 3 Short Questions Test

Question # 1

Define free fall motion? Also define the acceleration due to gravity ?

  • Ans 1: If we drop an object from certain height height 'h' and ignore the air resistance then such motion of the body is known as free fall motion. the acceleration of free fall body is known as acceleration due to gravity.
    It is represented by 'g' Its value varies with altitude and depth. On earth surface or near earth surface its value is 9.8 m/sec2
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Prepare Complete Set Wise Questions For Chapter 3 "ICS Part 1 Physics Chapter 3 Short Questions Test "

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

Question # 1

Define free fall motion? Also define the acceleration due to gravity ?

  • Ans 1: If we drop an object from certain height height 'h' and ignore the air resistance then such motion of the body is known as free fall motion. the acceleration of free fall body is known as acceleration due to gravity.
    It is represented by 'g' Its value varies with altitude and depth. On earth surface or near earth surface its value is 9.8 m/sec2
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ICS Part 1 Physics Chapter 3 Short Questions Test - Set 2

Question # 1

What is meant by perfectly elastic head-on-collision ?discuss the elastic collision in one dimension and find the mathematical equation for calculating the final velocities of colliding objects in one dimension?

  • Ans 1: Perfectly elastic head-on-collision:The collision in which the motion of the objects occurs along a straight line is known as perfect elastic head-on-collision.Determination of mathematical equations for calculating the final velocities of colliding objects in one dimension: pic
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ICS Part 1 Physics Chapter 3 Short Questions Test - Set 3

Question # 1

Write two object?

  • Ans 1: Velocity time graph can be used to
    1. Calculate the distance covered by the body .
    2. Find the instantaneous acceleration of the body.
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ICS Part 1 Physics Chapter 3 Short Questions Test - Set 4

Question # 1

Discuss the sign of acceleration due to gravity relative to velocity,while the object in in air?

  • Ans 1: When the object is thrown vertically upward, it will move against the direction of gravity. The sign of acceleration due to gravity relative to velocity will be taken as negative.When the object is falling downward , it will move along the direction of gravity .
    The sign of acceleration due to gravity relative to velocity will be taken as positive.
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ICS Part 1 Physics Chapter 3 Short Questions Test - Set 5

Question # 1

Define linear momentum ? Express Newton,s 2nd Law in terms of momentum?

  • Ans 1: pic
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ICS Part 1 Physics Chapter 3 Short Questions Test - Set 6

Question # 1

Define Collision ? Discuss the type of collision?Give example in each case?

  • Ans 1: Collision:When two or more than two bodies come so closer to each other that there exists some type of interaction between them in the presence or absence of external forces then such type of interaction is known as collision.
    Type of Collision:There are two type of collision, which are given below.
    Elastic Collision:The Collision in which the momentum and kinetic energy both are conserved is known as elastic collision.
    Examples:
    1. collision of steel balls,
    2. Collision of atoms,
    3. Collision of molecules.
    Inelastic Collision:The Collision in which the momentum is conserved but K.E is not conserved, is known as Inelastic collision. "
    In such type of collision, same type of the K.E is converted into internal energy, sound energy and the work needed to permanently deform the object involed, such as cars ina car crash.
    Example:
    1. Collision between two vehicles
    2. Collision between two mud balls
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3rd Chapter

ICS Part 1 Physics Short Questions Test

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