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Physics Assertion (A) & Reason (B) MCQ

Model Paper 7 · 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: Earth is continuously pulling moon towards its centre but moon does not fall to earth.
Reason: Attraction of sun on moon is greater than that of earth on moon.
  • 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): Two springs of force constants $k_1$ and $k_2$ are stretched by the same force. If $k_1>k_2$, then work done in stretching the first $\left( W _1\right)$ is less than work done in stretching the second $\left( W _2\right)$.
Reason ( R ): $F = k _1 x _1= k _2 x _2$
  • 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): In projectile motion, the vertical velocity of the particle is continuously decreased during its ascending motion.
Reason (R): In projectile motion near earth surface, downward constant acceleration is present in vertical direction.
  • 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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Assertion (A) & Reason (B) MCQ - Physics STD 11 Science Questions - Vidyadip