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Standard XII
Physics
Question

Assertion :If electric potential at any point is zero, then intensity of electric field is zero at that point Reason: Intensity of electric field is line integral of electric potential.
  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 incorrect
C
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
D
Assertion is correct but Reason is incorrect
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Assertion: Electric field lines never form closed loop. Reason: Work done in a closed path by a conservative force is always zero a) If both Assertion and Reason are true, and Reason is the correct explanation of Assertion. b) If both Assertion and Reason are true but Reason is not the correct explanation of Assertion. c) If Assertion is true but Reason is false. d) Both Assertion and Reason are false.
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Q2
Assertion :If electric potential at any point is zero, then intensity of electric field is zero at that point Reason: Intensity of electric field is line integral of electric potential.
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Q3

The questions below consist of Assertion (A) and Reason (R). Use the following key to select the correct answer:

(a) If both assertion and reason are correct and the reason is the correct explanation for the assertion.

(b) If both assertion and reason are correct but the reason is not the correct explanation for the assertion.

(c) If the assertion is correct but the reason is incorrect.

(d) If the assertion is incorrect but the reason is correct.

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Reason: Ionic solids consists of anions and cations.


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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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(c) Assertion is correct, but reason is incorrect
(d) Both assertion and reason are incorrect
(e) Assertion is incorrect but reason is correct.

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