MEDIUM
CUET (UG)
IMPORTANT
Earn 100

The linear momentum of an electron, initially at rest, accelerated through a potential difference of 100 V is

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Important Questions on Dual Nature of Radiation and Matter

MEDIUM
CUET (UG)
IMPORTANT
Achieve CUET (UG) Physics Practice Book>Chapter 11 - Dual Nature of Radiation and Matter>Exercise>Q 3
The material used for making thermionic cathode must have
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CUET (UG)
IMPORTANT
Achieve CUET (UG) Physics Practice Book>Chapter 11 - Dual Nature of Radiation and Matter>Exercise>Q 4
The time taken by a photoelectron to come out after the photon strikes is approximately
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CUET (UG)
IMPORTANT
Achieve CUET (UG) Physics Practice Book>Chapter 11 - Dual Nature of Radiation and Matter>Exercise>Q 5
Continuous emission spectrum is produced by
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CUET (UG)
IMPORTANT
Achieve CUET (UG) Physics Practice Book>Chapter 11 - Dual Nature of Radiation and Matter>Exercise>Q 6
If the intensity of incident light is increased in photoelectric emission, then which of the following is true?
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CUET (UG)
IMPORTANT
Achieve CUET (UG) Physics Practice Book>Chapter 11 - Dual Nature of Radiation and Matter>Exercise>Q 7
The emission of electrons from a metal begins when green light is incident on it. The emission of electrons will be possible for which of the following group of colours?
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CUET (UG)
IMPORTANT
Achieve CUET (UG) Physics Practice Book>Chapter 11 - Dual Nature of Radiation and Matter>Exercise>Q 8
Emission of electrons by the absorption of heat energy is called ................. emission.
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CUET (UG)
IMPORTANT
Achieve CUET (UG) Physics Practice Book>Chapter 11 - Dual Nature of Radiation and Matter>Exercise>Q 9
Consider a beam of electrons (each electron with energy Eo) incident on a metal surface kept on an evacuated chamber. Then
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CUET (UG)
IMPORTANT
Achieve CUET (UG) Physics Practice Book>Chapter 11 - Dual Nature of Radiation and Matter>Exercise>Q 10
Identify the process in which an electron escapes from the metal surface.