Q17.A nucleus of mass ๐ at rest splits into two parts having masses ๐' and 2๐' ๐' < ๐. The ratio of de Broglie 3 3 wavelength of two parts will be (1) 1: 2 (2) 2: 1 (3) 1: 1 (4) 2: 3
What This Question Tests
This question combines the conservation of momentum in nuclear decay with the de Broglie wavelength formula to find the ratio of wavelengths of the emitted particles.
Concepts Tested
Formulas Used
ฮป = h/p
p_initial = p_final
๐ NCERT Sections This Tests
11.10 โ What Is The De Broglie Wavelength Of
Physics Class 12 ยท Chapter 11
11.10 What is the de Broglie wavelength of (a) a bullet of mass 0.040 kg travelling at the speed of 1.0 km/s, (b) a ball of mass 0.060 kg moving at a speed of 1.0 m/s, and (c) a dust particle of mass 1.0 ร 10โ9 kg drifting with a speed of 2.2 m/s ?
11.3 โ The Photoelectric Cut-Off Voltage In A Certain Experiment Is 1.5 V.
Physics Class 12 ยท 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?
12.7 โ The Radius Of The Innermost Electron Orbit Of A Hydrogen Atom Is
Physics Class 12 ยท Chapter 12
12.7 The radius of the innermost electron orbit of a hydrogen atom is 5.3ร10โ11 m. What are the radii of the n = 2 and n =3 orbits?
๐ Question Details
- Chapter
- Dual Nature of Matter
- Topic
- de Broglie Wavelength
- Year
- 2022
- Shift
- 26 Jul Shift 2
- Q Number
- Q17
- Type
- MCQ
- NCERT Ref
- Class 12 Physics Ch 11: Dual Nature of Radiation and Matter
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