SATHEE: dual-nature-of-radiation-and-matter Question 48

Dual Nature Of Radiation And Matter

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dual-nature-of-radiation-and-matter Question 48
dual-nature-of-radiation-and-matter Question 49

dual-nature-of-radiation-and-matter Question 48

Question: Q. 5. Figure shows a plot of $\frac{1}{\sqrt{V}}$ , where $V$ is the accelerating potential. The de-Broglie wavelength ’ $λ$ ’ in the case of two particles having same charge ’ $q$ ’ but different masses $m_{1}$ and $m_{2}$ . Which line $(A$ or $B$ ) represents a particle of larger mass?

[OD Comptt. I, II, III 2013]

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Solution:

Ans.

$λ = \frac{h}{\sqrt{2 m e V}}$

Line-Slope $(\frac{\frac{1}{\sqrt{V}}}{λ}) \propto \sqrt{m}$

Since, $\quad\left(\frac{\frac{1}{\sqrt{V}}}{\lambda}\right){A}>\left(\frac{\frac{1}{\sqrt{V}}}{\lambda}\right){B}$

Hence, line A will represent larger mass.

$i.e., m_{1} > m_{2} or m_{A} > m_{B} .$

Dual Nature Of Radiation And Matter

dual-nature-of-radiation-and-matter Question 48

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Dual Nature Of Radiation And Matter

dual-nature-of-radiation-and-matter Question 48

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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