Question

a metal is irradiated with radiation of wavelength 300nm then photoelectrons found to be have velocity 3.7
$\times$

${10}^{5}$
metre per second when graph is drawn between K.E of photo electrons and frequency of radiation a straight line is obtained cutting X-axis then value of X intercept​

Answer 1

incorrect your question

Answer 2

Answer:

9 × 10^14 Hz

Explanation:

I have taken c = 3×10^8