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Class 12 Physics Chapter 11 - Dual Nature of Radiation and Matter MCQ and Assertion Questions

Short Quiz · Class 12 · Physics · CBSE

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Chapter 11 - Dual Nature of Radiation and Matter | 5 questions | about 4 minutes

Practise Chapter 11 - Dual Nature of Radiation and Matter with Teachoo's Short Quiz (Class 12 · Physics · CBSE). Practise these questions in a free interactive quiz with answer feedback.

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Question 1 of 5
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Question 1 of 5
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The kinetic energy of a charged particle is increased to four times of its initial value. The de Broglie wavelength associated with the particle will :

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Question 2 of 5
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Radiation of wavelength 331 nm irradiates the following metals :

Diagram for question 9

Which of the following statements is correct ?

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Question 3 of 5
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Assertion (A) : Photoelectric current depends upon the intensity of the incident radiation.

Reason (R) : Stopping potential is independent of the intensity of the incident radiation.

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Question 4 of 5
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In an experiment on photoelectric emission, the intensity of incident radiation is halved keeping its frequency constant. As a result :

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Question 5 of 5
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While studying photoelectric emission from a given surface, the wavelength of the incident radiation is changed from 600 nm to 400 nm, keeping the intensity of radiation the same. Then :

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