Maximum kinetic energy of photoelectrons when the frequency of light is doubled

1. A.
   $k$
2. B.
   $2k$
3. C.
   $k+E_0$
4. D.
   $k+hv$

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1. A.
   unchanged.
2. B.
   two times its initial value.
3. C.
   more than two times its initial value.
4. D.
   less than two times its initial value.

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1. A.
   double the earlier value
2. B.
   unchanged
3. C.
   more than double
4. D.
   less than double

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1. A.
   $K + W_0$
2. B.
   $K + h\nu$
3. C.
   $K$
4. D.
   $2K$

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