Question

According to Einstein’s model, the threshold frequency for a metal having work function ϕ₀ is given by _________.

विकल्प

• ϕ₀h

• ϕ₀h + 100

• ${\displaystyle \frac{{\varphi }_0}{\text{h}}}$

• ${\displaystyle \frac{\text{h}}{{\varphi }_0}}$

Answer 1

According to Einstein’s model, the threshold frequency for a metal having work function ϕ0 is given by ${\displaystyle \underline{\frac{{\varphi }_0}{\text{h}}}}$.

Explanation:

The minimum frequency of incident light that can generate photoelectric emission is known as the threshold frequency.

Work Function, ${\displaystyle {\varphi }_0=\text{h}{\nu }_0}$

Thus, ${\displaystyle {\nu }_0=\frac{{\varphi }_0}{\text{h}}}$