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Directions : Each of these questions contain two statements, Assertion and Reason. Each of these questions also has four alternative choices, only one of which is the correct answer. You have to select one of the codes (a), (b), (c) and (d) given below.
Assertion : A bullet is fired from a rifle. If the rifle recoils freely, the kinetic energy of rifle is more than that of the bullet.
Reason : In case of rifle bullet system, the law of conservation of momentum violates.
  • a)
    Assertion is correct, reason is correct; reason is a correct explanation for assertion.
  • b)
    Assertion is correct, reason is correct; reason is not a correct explanation for assertion
  • c)
    Assertion is correct, reason is incorrect
  • d)
    Assertion is incorrect, reason is correct.
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Directions : Each of these questions contain two statements, Assertio...
The Law of conservation of linear momentum is correct when no external force acts. When bullet is fired from a rifle then both should possess equal momentum but different kinetic energy. Kinetic energy of the rifle is less than that of bullet because E∝1/m. As the mass of the gun is larger, so the kinetic energy of the gun is less than that of bullet.
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Most Upvoted Answer
Directions : Each of these questions contain two statements, Assertio...
Assertion: A bullet is fired from a rifle. If the rifle recoils freely, the kinetic energy of the rifle is more than that of the bullet.

Reason: In the case of the rifle-bullet system, the law of conservation of momentum violates.

The correct answer is option 'D'.

Explanation:
To understand the given assertion and reason, let's break down the concepts involved and analyze them separately.

Conservation of Momentum:
The law of conservation of momentum states that the total momentum of an isolated system remains constant if no external forces act on it. In other words, the total momentum before an event is equal to the total momentum after the event.

Assertion: A bullet is fired from a rifle. If the rifle recoils freely, the kinetic energy of the rifle is more than that of the bullet.

When a bullet is fired from a rifle, both the bullet and the rifle experience a change in momentum. According to the law of conservation of momentum, the total momentum of the rifle-bullet system should remain constant.

However, the assertion states that the kinetic energy of the rifle is more than that of the bullet. Kinetic energy is directly proportional to the square of the velocity. When the bullet is fired, it generally has a higher velocity compared to the rifle due to its smaller mass. Therefore, the kinetic energy of the bullet is expected to be higher than that of the rifle.

Reason: In the case of the rifle-bullet system, the law of conservation of momentum violates.

The reason provided states that the law of conservation of momentum is violated in the case of the rifle-bullet system. This is not a correct explanation for the assertion.

Conclusion:
The assertion is incorrect because the kinetic energy of the bullet is expected to be higher than that of the rifle. The reason is also incorrect as it does not provide a correct explanation for the assertion. Therefore, the correct answer is option 'D' - Assertion is incorrect, and the reason is correct.
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Directions : Each of these questions contain two statements, Assertion and Reason. Each of these questions also has four alternative choices, only one of which is the correct answer. You have to select one of the codes (a), (b), (c) and (d) given below.Assertion : A bullet is fired from a rifle. If the rifle recoils freely, the kinetic energy of rifle is more than that of the bullet.Reason : In case of rifle bullet system, the law of conservation of momentum violates.a)Assertion is correct, reason is correct; reason is a correct explanation for assertion.b)Assertion is correct, reason is correct; reason is not a correct explanation for assertionc)Assertion is correct, reason is incorrectd)Assertion is incorrect, reason is correct.Correct answer is option 'D'. Can you explain this answer?
Question Description
Directions : Each of these questions contain two statements, Assertion and Reason. Each of these questions also has four alternative choices, only one of which is the correct answer. You have to select one of the codes (a), (b), (c) and (d) given below.Assertion : A bullet is fired from a rifle. If the rifle recoils freely, the kinetic energy of rifle is more than that of the bullet.Reason : In case of rifle bullet system, the law of conservation of momentum violates.a)Assertion is correct, reason is correct; reason is a correct explanation for assertion.b)Assertion is correct, reason is correct; reason is not a correct explanation for assertionc)Assertion is correct, reason is incorrectd)Assertion is incorrect, reason is correct.Correct answer is option 'D'. Can you explain this answer? for Class 11 2024 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about Directions : Each of these questions contain two statements, Assertion and Reason. Each of these questions also has four alternative choices, only one of which is the correct answer. You have to select one of the codes (a), (b), (c) and (d) given below.Assertion : A bullet is fired from a rifle. If the rifle recoils freely, the kinetic energy of rifle is more than that of the bullet.Reason : In case of rifle bullet system, the law of conservation of momentum violates.a)Assertion is correct, reason is correct; reason is a correct explanation for assertion.b)Assertion is correct, reason is correct; reason is not a correct explanation for assertionc)Assertion is correct, reason is incorrectd)Assertion is incorrect, reason is correct.Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 11 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Directions : Each of these questions contain two statements, Assertion and Reason. Each of these questions also has four alternative choices, only one of which is the correct answer. You have to select one of the codes (a), (b), (c) and (d) given below.Assertion : A bullet is fired from a rifle. If the rifle recoils freely, the kinetic energy of rifle is more than that of the bullet.Reason : In case of rifle bullet system, the law of conservation of momentum violates.a)Assertion is correct, reason is correct; reason is a correct explanation for assertion.b)Assertion is correct, reason is correct; reason is not a correct explanation for assertionc)Assertion is correct, reason is incorrectd)Assertion is incorrect, reason is correct.Correct answer is option 'D'. Can you explain this answer?.
Solutions for Directions : Each of these questions contain two statements, Assertion and Reason. Each of these questions also has four alternative choices, only one of which is the correct answer. You have to select one of the codes (a), (b), (c) and (d) given below.Assertion : A bullet is fired from a rifle. If the rifle recoils freely, the kinetic energy of rifle is more than that of the bullet.Reason : In case of rifle bullet system, the law of conservation of momentum violates.a)Assertion is correct, reason is correct; reason is a correct explanation for assertion.b)Assertion is correct, reason is correct; reason is not a correct explanation for assertionc)Assertion is correct, reason is incorrectd)Assertion is incorrect, reason is correct.Correct answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 11. Download more important topics, notes, lectures and mock test series for Class 11 Exam by signing up for free.
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