Kinematics-Average Speed and Instantaneous Velocity (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 1 - 3 of 107

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Question number: 1

» Kinematics » Average Speed and Instantaneous Velocity

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Assertion-Reason▾

Question

Assertion (Ꭺ)

The velocity of a body A relative to the body B is the sum of the velocities of bodies A and B if both travel in opposite direction on a straight line.

Reason (Ꭱ)

The velocity of a body A relative to the body B is the difference of the velocities of bodies A and B if both travel in opposite direction on a straight line.

Choices

Choice (4)Response

a.

Ꭺ is false but Ꭱ is true

b.

Ꭺ is true but Ꭱ is false

c.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

d.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

Question number: 2

» Kinematics » Average Speed and Instantaneous Velocity

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MCQ▾

Question

A train of 150 meter length is going towards north direction at a speed of 10 m/s. A parrot flies at the speed of 5 m/s towards south direction parallel to the railway track. The time taken by the parrot to cross the train is

Choices

Choice (4)Response

a.

15 sec

b.

8 sec

c.

12 sec

d.

10 sec

Question number: 3

» Kinematics » Average Speed and Instantaneous Velocity

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MCQ▾

Question

A train is moving towards east and a car is along north, both with same speed. The observed direction of car to the passenger in the train is

Choices

Choice (4)Response

a.

East-north direction

b.

South-east direction

c.

West-north direction

d.

Question does not provide sufficient data or is vague

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