If the frequency of incident radiation (ν) is increased, keeping other factors constant, the stopping potential ( ν > ν₀, threshold frequency) (a) increases (b) decreases (c) remains constant (d) suddenly becomes zero

Answer: (a). V₀ = h/eν - φ/e, a straight line of positive slope h/e. Increasing ν increases V₀. So the answer is (a) increases.

If the frequency of incident radiation (ν) is increased, keeping… | MHT CET 2024 (11 May, Shift 1)

Q26MHT CET 2024 · 11 MAY · SHIFT 1Easy

Photoelectric Experiment: Intensity, Stopping Potential & Graphs

If the frequency of incident radiation $(\nu)$ is increased, keeping other factors constant, the stopping potential ( $\nu > \nu_0$ , threshold frequency)

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Answer: (a)

$V_0 = \dfrac{h}{e}\nu - \dfrac{\phi}{e}$ , a straight line of positive slope $h/e$ .
Increasing $\nu$ increases $V_0$ .
So the answer is (a) increases.

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