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Quantum Mechanics Test-I

Total questions: 12

Worksheet time: 9mins

Name
Class
Date
1.

Wave function in Quantum Mechanics is as similar as ....... in Classical Mechanics.

a)

Amplitude

b)

velocity

c)

momentum

d)

position

2.
The wave-particle duality of light describes light as...
a)
a wave only
b)
a particle only
c)
both a wave and a particle
d)
neither a wave nor a particle
3.

A ____ is a discrete, quantized bundle of energy

a)

Photoelectric effect

b)

Photon

c)

Quantized

d)

Proton

4.
This image is an illustration of
a)
photoelectric effect
b)
Dalton's atomic theory
c)
Bohr model
d)
Quantum mechanical model
5.

De Broglie equation

a)

relates the momentum of a mass to its wavelength

b)

relates the energy of a mass to its wavelength

c)

relates the frequency of a mass to its wavelength

d)

relates the work function of a mass to its wavelength

6.

The common between classical and quantum mechanical fundamental distribution function is :

a)

they all depend upon the quantity that define state only

b)

they all depend only upon the energy of the state

c)

they all depend both on energy and quantity defining state

d)

nothing is common in them

7.

Calculate the de Broglie wavelength of a particle travelling at a velocity of 107 cm/s?

a)

7.7 Å

b)

72.7 Å

c)

0. 727 Å

d)

0.0727 Å

8.

The notation for representing wave function is

(a)  

9.

The wave function of the particle lies in which region?

a)

x > 0

b)

x < 0

c)

0 < X < L

d)

x > L

10.

The basic principle behind Quantum Mechanics

a)

Heisenberg's uncertainity principle

b)

Newton's laws

c)

Wein's displacement law

d)

Planck's radiation law

11.

Wave function is represented by the symbol

a)

Ψ

b)

£

c)

þ

d)

µ

12.

The eigen value for the eigen function e6x, operated by d2/dx2 is

(a)