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Standard XII
Physics
Question

Assertion :The electric susceptibility of a dielectric material is a measure of how easily it polarizes in response to an electric field. Reason: The electric susceptibility determines the electric permittivity of the material and thus influences many other phenomena in that medium, from the capacitance of capacitors to the speed of light.
  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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Similar Questions
Q1
Assertion :The electric susceptibility of a dielectric material is a measure of how easily it polarizes in response to an electric field. Reason: The electric susceptibility determines the electric permittivity of the material and thus influences many other phenomena in that medium, from the capacitance of capacitors to the speed of light.
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Q2
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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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.

Assertion: Ionic solids are good conductors of electricity.

Reason: Ionic solids consists of anions and cations.


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Q4

Assertion (A) Order and molecularity are same.

Reason (R) Order is determined experimentally and molecularity is the sum of the stoichimetric coeffcient of rate determining elementary step.

(a) Both assertion and reason are correct and the reason is correct explanation of assertion
(b) Both assertion and reason are correct, but reason does not explain assertion.
(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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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
(b) Both assertion and reason are correct, but reason does not explain assertion.
(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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