1.

A metal having threshold frequency 1.0 x 105Hz is shone with a light of frequency 3.0 x1015 Hz. The kinetic energy of photoelectronswould beOptions:1.99 x 10 18J-196.63 x 10J1.32 x 10-18J2.4 x10 18J

Answer» A metal having threshold frequency 1.0 x 105
Hz is shone with a light of frequency 3.0 x
1015 Hz. The kinetic energy of photoelectrons
would be
Options:
1.99 x 10 18
J
-19
6.63 x 10
J
1.32 x 10-18
J
2.4 x10 18
J


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