Question

Electrons of 1.68x 105 j/mol kinetic energy are emitted when electromagnetic radiations of 300nm wavelength fall on Na metal. What is the maximum wavelength of light to exhibit photoelectric effect?
(opt A) 410 nm
(opt B) 458 nm
(opt C) 518 nm
(opt D) 588 nm​

Answer 1

Answer:

option c

Explanation:

please refer to the above solution to understand the answer.