JEE Main 2021 · PhysicsMultiple choiceSingle correctEasyCalculation

JEE Main 24 February 2021, Shift 2, Physics Q15

Question 15 of 90 in this shift, Physics question 15 of 30, Section A.

An X-ray tube is operated at 1.24 million volt. The shortest wavelength of the produced photon will be :

(1) $10^{-1}\ \mathrm{nm}$
(2) $10^{-2}\ \mathrm{nm}$
(3) $10^{-3}\ \mathrm{nm}$ Official answer
(4) $10^{-4}\ \mathrm{nm}$

Official answer

Option 3

NTA final key.

Chapter: Dual Nature of Radiation and Matter
Topic: X-Ray Production
Idea tested: Cutoff Wavelength Calculation

Same topic in other shifts

All X-Ray Production questions

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8 Apr 2023, Shift 2 · Q64Henry Moseley studied characteristic X-ray spectra of elements. The graph which represents his observation correctly is Given $\nu$ =…EasyDiagram basedHas a figure
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Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.