A photon is incident having frequency 1 × 10¹⁴ sec⁻¹. Threshold frequency of metal is 5 × 10¹³ sec⁻¹. Find the kinetic energy of the ejected electron.
A
3.3 × 10⁻²¹ J
B
6.6 × 10⁻²¹ J
C
3.3 × 10⁻²⁰ J
D
6.6 × 10⁻²⁰ J

Question

A photon is incident having frequency 1 × 10¹⁴ sec⁻¹. Threshold frequency of metal is 5 × 10¹³ sec⁻¹. Find the kinetic energy of the ejected electron.

Accepted Answer

3.3 × 10⁻²⁰ J

Answer

3.3 × 10⁻²¹ J

Answer

6.6 × 10⁻²¹ J

Answer

6.6 × 10⁻²⁰ J

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