Threshold frequency of a metal is 5 × 10¹³ s⁻¹ upon which 1 × 10¹⁴ s⁻¹ frequency light is focused. Then the maximum kinetic energy of emitted electron is
A
3.3 × 10⁻²¹
B
3.3 × 10⁻²⁰
C
6.6 × 10⁻²¹
D
6.6 × 10⁻²⁰

Question

Threshold frequency of a metal is 5 × 10¹³ s⁻¹ upon which 1 × 10¹⁴ s⁻¹ frequency light is focused. Then the maximum kinetic energy of emitted electron is

Accepted Answer

3.3 × 10⁻²⁰

Answer

3.3 × 10⁻²¹

Answer

6.6 × 10⁻²¹

Answer

6.6 × 10⁻²⁰

AIIMS 2012 Chemistry Threshold Frequency MCQ Question

Correct Answer

Detailed Explanation

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