De Broglie Waves NEET Questions

Physics - Dual Nature of Matter and Radiation

De Broglie Waves MCQ Questions


1.
The hypothesis of matter waves was proposed in 1924 by:
A.
Werner Heisenberg
B.
Louis Victor de Broglie
C.
Albert Einstein
D.
Erwin Schr枚dinger
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ANSWER :
B. Louis Victor de Broglie
2.
de Broglie was awarded the Nobel Prize in Physics in 1929 for:
A.
Photoelectric effect
B.
Theory of relativity
C.
Discovery of the wave nature of electrons
D.
Discovery of the electron
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ANSWER :
C. Discovery of the wave nature of electrons
3.
de Broglie's hypothesis was based on the reasoning that:
A.
Quantum mechanics requires matter waves
B.
Electrons must oscillate to be stable
C.
Nature is symmetrical: if radiation has dual nature, so should matter
D.
All particles have zero rest mass
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ANSWER :
C. Nature is symmetrical: if radiation has dual nature, so should matter
4.
de Broglie's hypothesis was developed into a full-fledged theory of quantum mechanics by:
A.
Niels Bohr
B.
Erwin Schr枚dinger
C.
Werner Heisenberg
D.
Albert Einstein
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ANSWER :
B. Erwin Schr枚dinger
5.
The de Broglie wavelength 位 associated with a particle of momentum p is:
A.
位 = h/p虏
B.
位 = h/p
C.
位 = p/h
D.
位 = hp
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ANSWER :
B. 位 = h/p
6.
For a particle of mass m moving with velocity v, the de Broglie wavelength is:
A.
位 = h/(2mv)
B.
位 = mv/h
C.
位 = h/(mv)
D.
位 = h 脳 m 脳 v
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ANSWER :
C. 位 = h/(mv)