As the intensity of incident light increases

Important Questions on Dual Nature of Matter and Radiation

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CG PET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 28 - Dual Nature of Matter and Radiation>CG PET 2017>Q 1

When a light of wavelength $400 \mathrm{nm}$ is incident on the cathode of a photocell, the stopping potential recorded is $6\mathrm{V}$. If the wavelength of the incident light is increased to $600 \mathrm{nm},$ then the new stopping potential is

EASY

CG PET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 28 - Dual Nature of Matter and Radiation>CG PET 2018>Q 2

The photoelectric effect proves that

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CG PET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 28 - Dual Nature of Matter and Radiation>CG PET 2018>Q 3

A monochromatic light of frequency $v$ is incident on emitter having threshold frequency $v_0$. The kinetic energy of ejected electron will be

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CG PET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 28 - Dual Nature of Matter and Radiation>CG PET 2019>Q 4

As the intensity of incident light increases