This document contains 57 multiple choice questions about waves, particle-wave duality, and quantum mechanics. It covers topics like the classification of
... [Show More] waves, properties of transverse and longitudinal waves, wave nature of light and matter, de Broglie wavelength, Schrodinger equation, quantum confinement of particles in potential wells, Heisenberg uncertainty principle, and wave properties. The questions are designed to test understanding of fundamental concepts in physics relating to the wave-particle duality of light and matter.
1) Among the following, which comes under the classification of wave
a. Mechanical waves
b. Electromagnetic waves
c. Matter waves
d. All of these
2) In transverse wave, the vibration of particles is in _____ direction to the propagation
of velocity.
a. Parallel
b. Perpendicular
c. Both a & b
d. None of these
3) In longitudinal wave, the vibration of particles is in _____ direction to the propagation
of velocity.
a. Parallel
b. Perpendicular
c. Both a & b
d. None of these
4) The phenomena like diffraction and interference of light can be explained using
a. Wave nature of particle
b. Wave nature of sound
c. Wave nature of light
d. All of these
5) Matter waves are also known as
a. Pilot waves
b. Passenger waves
c. Particle waves
d. None of these
6) The phenomena which explains the particle nature of light is
a. Photoelectric effect
b. Compton effect
c. Both a & b
d. None of these
7) In the following, the properties of matter waves are
a. They are associated with moving body
b. Wavelength depends on mass of the body
c. No variable physical quantity
d. All of these
8) The general expression for wave is represented by
a. ๐ = ๐ด ๐ถ๐๐ (๐๐ฅ โ ๐๐ก)
b. ๐ = ๐ด ๐๐๐(๐๐ฅ โ ๐๐ก)
c. ๐ = ๐ด ๐๐๐เฌถ(๐๐ฅ โ ๐๐ก)
d. ๐ = ๐ด ๐ถ๐๐ เฌถ(๐๐ฅ โ ๐๐ก)
9) Free particle means
a. Particle is not free
b. Kinetic energy of particle is zero
c. Potential energy of particle is zero
d. Total energy of particle is zero
10) When a free particle collides, it
a. Lose energy
b. Does not lose energy
c. Gain energy
d. Does not gain energy
11) The general solution for Schrodinger wave equation เฏ
เฐฎเฐ
เฏเฏซเฐฎ +
เฌผเฏ เฐเฐฎ
โ
เฐฎ (๐ธ โ ๐)๐น = 0 is
given by,
a. ๐(๐ฅ) = ๐ด sin ๐๐ฅ โ ๐ต ๐๐๐ ๐๐ฅ
b. ๐(๐ฅ) = ๐ด sinเฌถ ๐ฅ + ๐ต ๐๐๐ เฌถ๐ฅ
c. ๐(๐ฅ) = ๐ด sinเฌถ ๐๐ฅ + ๐ต ๐๐๐ เฌถ๐๐ฅ
d. ๐(๐ฅ) = ๐ด sin ๐๐ฅ + ๐ต ๐๐๐ ๐๐ฅ
12) The Eigen value equation is given by,
a. ๐ธเฏก =
เฏก
เฐฎโ
เฐฎ
เฌผเฏ เฏเฐฎ
b. ๐ธเฏก =
เฏก
เฐฎโ
เฌผเฏ เฏเฐฎ
c. ๐ธเฏก =
เฏก
เฐฎโ
เฐฎ
เฌผเฏ เฐฎเฏเฐฎ
d. ๐ธเฏก =
เฏก
เฐฎโ
เฐฎ
เฌผเฏ เฏ
13) The value of normalization constant is given by,
a. ๐ด = เถฅ2 ๐โ เฌท
b. ๐ด = เถฅ2โ๐
c. ๐ด = เถฅ๐โ2
d. ๐ด = เถฅ2
เฌถโ๐
14) Free particle is
a. Under the influence of pressure
b. Not under the influence of pressure
c. Under the influence of force
d. Not under the influence of force
15) The energy of the free particle is,
a. quantized
b. not quantized
c. Sometimes quantized and sometimes not quantized
d. None of these
16) The free particle is a
a. Quantum entity
b. Wave entity
c. Classical entity [Show Less]