SATHEE: dual-nature-of-radiation-and-matter Question 10

Dual Nature Of Radiation And Matter

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dual-nature-of-radiation-and-matter Question 10

Question: Q. 2. Write three basic properties of photons which are used to obtain Einstein’s photoelectric equation. Use this equation to draw a plot of maximum kinetic energy of the electrons emitted versus the frequency of incident radiation.

R [Delhi OD Comptt. I, II, III 2014, 2013;

OD I, II, III 2013]

Show Answer

Solution:

Ans. Three basic properties of photons :

(i) Photons are quanta or discrete carriers of energy.

(ii) The energy of a photon is proportional to the frequency of light.

(iii) The photon gives all its energy to the electron with which it interacts. Einstein’s photelectric equation :

The plotis as shown below. $\frac{1}{2} \mathrm{~m} v_{\max }^{2}$

[CBSE Marking Scheme 2013, 14]

Dual Nature Of Radiation And Matter

dual-nature-of-radiation-and-matter Question 10

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Dual Nature Of Radiation And Matter

dual-nature-of-radiation-and-matter Question 10

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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