BITSAT SERIES

Physics

Photoelectric Effect

4 previous year questions.

Volume: 4 Ques

Yield: Medium

High-Yield Trend

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2025

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2017

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2016

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2007

Chapter Questions
4 MCQs

01

PYQ 2007

easy

physics ID: bitsat-2

When radiation is incident on a photoelectron emitter, the stopping potential is found to be . If elm for the electron is, the maximum velocity of the ejected electron is

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02

PYQ 2016

easy

physics ID: bitsat-2

Find the number of photon emitted per second by a watt source of monochromatic light of wavelength $ 6600\, ?? . What is the photoelectric current assuming efficiency for photoelectric effect ?

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None of there

03

PYQ 2017

medium

physics ID: bitsat-2

When a metal surface is illuminated by light of wavelengths and, the maximum velocities of the photoelectrons ejected are and respectively. The work function of the metal is

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04

PYQ 2025

easy

physics ID: bitsat-2

The work function of a metal is 2 eV. What is the threshold frequency for the photoelectric emission? (Take Planck's constant,)

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