1. All the charged particles have the same polarity
2. The equilibrium is unstable
3. All the charged particles cannot have the same polarity
4. Both (b) and (c) are correct
| Assertion (A): | Mass of moving photons varies inversely as the wavelength. |
| Reason (R): | The energy of the particle = Mass × (speed of light)2. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | (A) is false but (R) is true. |
Reason All metals act as a black body.
1. If both assertion and reason are true and reason explain the assertion.
2. If both the assertion and reason are true but reason does not explain the assertion.
3. If assertion is true but reason is false.
4. If assertion is false but reason is true.
| Assertion (A): | The ratio of inertial mass to gravitational mass is equal to one. |
| Reason (R): | The inertial mass and gravitational mass of a body are equivalent. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | (A) is false but (R) is true. |
Reason There is no outward motion of the disturbance from one particle to adjoining particle in a stationary wave.
1. If both assertion and reason are true and reason explain the assertion.
2. If both the assertion and reason are true but reason does not explain the assertion.
3. If assertion is true but reason is false.
4. If assertion is false but reason is true.
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R):
| Assertion (A): | In photoelectron emission the velocity of electron ejected from near the surface is larger than that coming from interior of metal. |
| Reason (R): | The velocity of ejected electron will be zero. |
In the light of the above statements choose the correct answer from the options given below:
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | (A) is false but (R) is true. |
Reason Moment of inertia of the earth increases, as ice on polar caps melts.
2. If both the assertion and reason are true but reason does not explain the assertion.
3. If assertion is true but reason is false.
4. If assertion is false but reason is true.
| Assertion (A): | Dielectric polarization means the formation of positive and negative charges inside the dielectric. |
| Reason (R): | Free electrons are formed in this process. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | (A) is false but (R) is true. |
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