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Physics Assertion (A) & Reason (B) MCQ

Model Paper 3 · Rajasthan Board (RBSE) STD 11 Science (Rajasthan - English Medium). 4 questions.

Questions

Assertion (A) & Reason (B) MCQ

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4 questions · self-marked practice — reveal the answer and mark yourself.

MCQ 11 Mark
Assertion: In an isochoric process, work done by the gas is zero.
Reason: In a process, if initial volume is equal to the final volume, work done by the gas is zero.
  • A
    Assertion and reason both are correct statements and reason is correct explanation for assertion.
  • B
    Assertion and reason both are correct statements but reason is not correct explanation for assertion.
  • C
    Assertion is correct statement but reason is wrong statement.
  • D
    Assertion is wrong statement but reason is correct statement.
Answer
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MCQ 21 Mark
Assertion (A): The division of a vector by another vector is not defined.
Reason (R): The division of a vector by a direction is not possible.
  • A
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • C
    A is true but R is false.
  • D
    A is false but R is true.
Answer
(a) Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
Explanation: Both A and R are true and R is the correct explanation of A.
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MCQ 31 Mark
Assertion (A): The Work-Energy theorem is applicable for non-inertial frames also.
Reason (R): The Work-Energy theorem is applicable to non-inertial frames provided we include the pseudo forces in the calculation of the net force acting on the body under consideration.
  • A
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • C
    A is true but R is false.
  • D
    A is false but R is true.
Answer
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MCQ 41 Mark
Assertion (A): Even when orbit of a satellite is elliptical, its plane of rotation passes through the centre of earth.
Reason (R): According to law of conservation of angular momentum plane of rotation of satellite always remain same.
  • A
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • C
  • D
    A is false but R is true.
Answer
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Assertion (A) & Reason (B) MCQ - Physics STD 11 Science Questions - Vidyadip