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Standard IX
Physics
Question

Assertion :If a compass needle be kept at magnetic north pole of the earth the compass needle may stay in any direction. Reason: Dip needle will stay vertical at the north pole of earth
  1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
  2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
  3. Assertion is correct but Reason is incorrect
  4. Both Assertion and Reason are incorrect

A
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
B
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
C
Assertion is correct but Reason is incorrect
D
Both Assertion and Reason are incorrect
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Q1

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a) Both Assertion and Reason are incorrect. b) Assertion is correct but Reason is incorrect. c) Assertion is incorrect but Reason is correct d) Both Assertion and Reason are incorrect.


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Q2

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Q5

Assertion (A) Order of the reaction can be zero or fractional.

Reason (R) We cannot determine order from balanced chemical equation.

(a) Both assertion and reason are correct and the reason is correct explanation of assertion
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