SATHEE: dual-nature-of-radiation-and-matter Question 30

Dual Nature Of Radiation And Matter

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dual-nature-of-radiation-and-matter Question 30

Question: Q. 15. Write three characteristic features in photoelectric effect which cannot be explained on the basis of wave theory of light, but can be explained only using Einstein’s equation. U [Delhi I, II, III 2016]

Show Answer

Solution:

Ans. The three characteristic features which can’t be explained by wave theory are :

(i) Kinetic energy of emitted electrons are found to be independent of intensity of incident light.

(ii) Below a certain frequency (threshold) there is no photo-emission

(iii) Spontaneous emission of photo-electrons. 1

[CBSE Marking Scheme 2016]

Dual Nature Of Radiation And Matter

dual-nature-of-radiation-and-matter Question 30

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Dual Nature Of Radiation And Matter

dual-nature-of-radiation-and-matter Question 30

Table of Contents

Engineering Preparation

Medical Preparation

NCERT Books & Solutions

Important Resources

Other Resources

Syllabus

Test Platform

Sample Mock Test

Mentorship

NCERT Exercise Video Solution

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