Effect of intensity and frequency of light on photocurrent, kinetic energy and stopping potential

1. A.
   threshold frequency $v_0$
2. B.
   intensity of light (I)
3. C.
   frequency of light (v)
4. D.
   work function $\phi_0$

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1. A.
   decreases with increase in frequency of incident photon.
2. B.
   increases with increase in frequency of incident photon.
3. C.
   does not depend on the frequency of photon but depends only on the intensity of incident light.
4. D.
   depends both on intensity and frequency of incident radiation.

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1. A.
   increases
2. B.
   decreases
3. C.
   remains constant
4. D.
   suddenly becomes zero

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1. A.
   increase.
2. B.
   decrease.
3. C.
   remain constant.
4. D.
   either increase or decrease.

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1. A.
   inversely with the intensity of incident radiation and is independent of its frequency.
2. B.
   inversely with the frequency of incident radiation and is independent of its intensity.
3. C.
   linearly with the frequency of incident radiation and depends on its intensity.
4. D.
   linearly with the frequency of incident radiation and is independent of its intensity.

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1. A.
   remains constant
2. B.
   is halved
3. C.
   is doubled
4. D.
   becomes four times

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1. A.
   Photoelectric effect can be explained using wave theory of light.
2. B.
   The maximum kinetic energy of a photoelectron depends on the intensity of incident light.
3. C.
   The stopping potential depends only on the work function of the metal.
4. D.
   The saturation current increases as the intensity of incident light increases.

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1. A.
   increase.
2. B.
   decrease.
3. C.
   be $\left( \frac{1}{3} \right)^{\text{rd~}}$
4. D.
   be zero.

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1. A.
   P
2. B.
   Q
3. C.
   R
4. D.
   S

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1. A.
   decreases
2. B.
   remains the same
3. C.
   increases
4. D.
   becomes zero

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1. A.
   the photoelectric current increases.
2. B.
   the kinetic energy of emitted photoelectrons increases.
3. C.
   photoelectric current decreases.
4. D.
   kinetic energy of emitted photoelectrons decreases.

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1. A.
   will increase
2. B.
   will decrease
3. C.
   will remain constant
4. D.
   will either increase or decrease

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