Q13.An X-ray tube is operated at 1. 24 million volt. The shortest wavelength of the produced photon will be: (1) 10−3 nm (2) 10−2 nm (3) 10−4 nm (4) 10−1 nm
What This Question Tests
This question assesses the ability to calculate the shortest wavelength of X-rays produced from an X-ray tube given the operating voltage, using the Duane-Hunt law.
Concepts Tested
Formulas Used
eV = hc/λ_min
λ_min = hc/eV
📚 NCERT Sections This Tests
12.5 — A Hydrogen Atom Initially In The Ground Level Absorbs A Photon,
Physics Class 12 · Chapter 12
12.5 A hydrogen atom initially in the ground level absorbs a photon, which excites it to the n = 4 level. Determine the wavelength and frequency of photon.
11.3 — The Photoelectric Cut-Off Voltage In A Certain Experiment Is 1.5 V.
Physics Class 12 · Chapter 11
11.3 The photoelectric cut-off voltage in a certain experiment is 1.5 V. What is the maximum kinetic energy of photoelectrons emitted?
12.8 — A 12.5 Ev Electron Beam Is Used To Bombard Gaseous Hydrogen At
Physics Class 12 · Chapter 12
12.8 A 12.5 eV electron beam is used to bombard gaseous hydrogen at room temperature. What series of wavelengths will be emitted?
📋 Question Details
- Chapter
- Dual Nature of Matter
- Topic
- X-ray production ( Duane-Hunt law)
- Year
- 2021
- Shift
- 24 Feb Shift 2
- Q Number
- Q13
- Type
- Numerical
- NCERT Ref
- Class 12 Physics Ch 11: Dual Nature of Radiation and Matter
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