Q16.A particle of mass 4๐ at rest disintegrates into two particles of mass ๐ and 3๐, respectively, having non zero velocities. The ratio of de-Broglie wavelength of particle of mass ๐ to that of mass 3๐ will be: (1) 1: 3 (2) 3: 1 (3) 1: โ3 (4) 1: 1
What This Question Tests
This problem combines conservation of momentum with the de-Broglie wavelength formula to find the ratio of wavelengths of two particles after disintegration.
Concepts Tested
Formulas Used
p_total = 0 (conservation of momentum)
ฮป = h/p
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 ?
12.5 โ A Hydrogen Atom Initially In The Ground Level Absorbs A Photon,
Physics Class 12 ยท 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.
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
- 2021
- Shift
- 25 Jul Shift 1
- Q Number
- Q16
- Type
- Multi concept
- NCERT Ref
- Class 12 Physics Ch 11: Dual Nature of Radiation and Matter
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