Stopping potential or kinetic energy against frequency graph: slope, intercept and work function

1. A.
   $\phi_x=\phi_y$
2. B.
   $\phi_x<\phi_y$
3. C.
   $\phi_x>\phi_y$
4. D.
   $\phi_x=\phi_y=0$

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1. A.
   1
2. B.
   2
3. C.
   3
4. D.
   4

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1. A.
   the work function of the metal.
2. B.
   the Planck's constant.
3. C.
   the maximum kinetic energy of the ejected electrons.
4. D.
   the threshold frequency for photo ejection from the metal.

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1. A.
   greater than that of B.
2. B.
   smaller than that of B.
3. C.
   same as that of B.
4. D.
   that no comparison can be made from the graphs.

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1. A.
   $1:1$
2. B.
   $1:2$
3. C.
   $1:4$
4. D.
   $4:1$

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1. A.
   A
2. B.
   B
3. C.
   C
4. D.
   D

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1. A.
   depends on the intensity of incident radiation.
2. B.
   depends on the nature of the metal used.
3. C.
   is the same for all metals and independent of the intensity of radiation.
4. D.
   depends on both the intensity of incident radiation and the nature of metal used.

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1. A.
   $OA$ in eV
2. B.
   $OB$ in volt
3. C.
   multiplication of $(OB)$ and $(e)$ in joules
4. D.
   The slope of the line AB

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