Dual Nature of Radiation and Matter Test

Result

Dual Nature of Radiation and Matter Test - 2

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Weekly Quiz Competition

Question 1
4 / -1

What is the de-Broglie wavelength of electron having energy 10 ke V ?

A
0.12 Å

B
1.2 Å

C
12.2 Å

D
None of these
Question 2
4 / -1

For the Bohr's second orbit of circumference 2πr, the de-Broglie wavelength of revolving electron will be

A
2πr

B
πr

C
1 / 2πr

D
1 / 4πr
Question 3
4 / -1

In Davisson-Germer experiment, maximum intensity is observed at

A
50° and 54 V

B
54° and 50 V

C
50° and 50 V

D
65° and 50 V
Question 4
4 / -1

A photon and an electron have equal energy E.

A

B

C
1 / E

D
Does not depend upon E
Question 5
4 / -1

JJ Thomson's experimentally confirmed the existence of matter waves by the phenomenon

A
diffraction

B
refraction

C
polarisation

D
scattering
Question 6
4 / -1

The kinetic energy of an electron gets tripled, then the de-Broglie wavelength associated with it changes by a factor

A

B

C

D
3
Question 7
4 / -1

If an electron and a proton have the same de-Broglie wavelength, then the kinetic energy of the electron is

A
zero

B
less than that of a proton

C
more than that of a proton

D
equal to that of a proton
Question 8
4 / -1

Which of the following is not the property of the photons?

A
Momentum

B
Energy

C
Charge

D
Velocity
Question 9
4 / -1

The de-Broglie wavelength associated with a particle moving with momentum (p) and mass (m) is

A

B

C

D
Question 10
4 / -1

Photon of frequency v has a momentum associated with it. If c is the velocity of light., the momentum is

A
v / c

B
h v c

C
h v / c²

D
h v / c