Question

The threshold frequency Y. for a metal
is 7.0 x1014 s-?. Calculate the kinetic
energy of an electron emitted when
radiation of frequency y =1.0 x1015 s-
hits the metal.
​

Answer 1

Answer:

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Answer 2

$\huge{\mathbb{\red{ANSWER}}}$

Kinetic energy will be 19×-10*20

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