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MCQ Fractions for Competitive Exam – Quantitative Aptitude

Fractions MCQ

1. 2

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Question 1 of 10

2. A molecule of mass m of an ideal gas collides with the wall of the vessel with the velocity v and returns back with the same velocity. The change in the linear momentum of the molecule will be :

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Question 2 of 10

3. Four point masses' each of value m' are placed at the corners of square ABCD of side l. The moment of intertia of this system about an axis passing through A and parallel to BD is

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Question 3 of 10

4.
Directions: In each of the following questions a statement of Assertion is given followed by a corresponding statement of Reason just below it. Of the statements mark the correct answer as
(a)If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion
(b)If both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion
(c)If Assertion is true but Reason is false.
(d)Of both Assertion and Reason are false.
Hide DirectionsAssertion: A quick collision between two bodies is more violent than a slow collision; even when the initial and final velocities are identical.
Reason: The momentum is greater in first case.

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Question 4 of 10

5. The motion of planets in the solar system is an example of the conservation of:

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Question 5 of 10

6.
Directions: In each of the following question a statement of Assertion is given followed by a corresponding statement of Reason just below it. Of the statements marks the correct answer as
(a) If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
(b) If both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
(c) If Assertion is true but Reason is false.
(d) If both Assertion and Reason are false.
Hide DirectionsAssertion When a ball collides elastically with a floor, it rebounds with the same velocity as with it strikes.
Reason Momentum of earth + ball system remains constant."

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Question 6 of 10

7.
Directions: In each of the following question a statement of Assertion is given followed by a corresponding statement of Reason just below it. Of the statements marks the correct answer as
(a) If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
(b) If both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
(c) If Assertion is true but Reason is false.
(d) If both Assertion and Reason are false.
Hide DirectionsAssertion A quick collision between two bodies is more violent than a slow collision, even when the initial and final velocities are identical.
Reason The momentum is greater in first case."

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Question 7 of 10

8. If 2 kg mass is rotating on a circular path of radius 0.8 m with angular velocity of 44 rad/sec. If radius of the path becomes 1m, then what will be the value of angular velocity?

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Question 8 of 10

9. 2

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Question 9 of 10

10. A uniform chain of length 2 m is kept on a table such that a length of 60 cm hangs freely from the edge of the table. The total mass of the chain is 4 kg. What is the work done in pulling the entire chain on the table?

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Question 10 of 10


 

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