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Topic 8 (Sem 2) : Wave particle duality

Total questions: 10

Worksheet time: 7mins

Name
Class
Date
1.
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
2.

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

3.

If waves can behave like particles, then particles can behave like a wave. This is the idea behind...

a)

Quantization of Energy

b)

Photoelectric Effect

c)

Compton Effect

d)

deBroglie Waves

4.

The de Broglie wave equation showed that the wavelength of any moving object is equal to

a)

m/hν

b)

h/mv

c)

v/mh

d)

hm/v

5.
1 eV is equal to
a)
1.6 × 10-19 J
b)
2.0 × 10-20 J
c)
3 J
d)
4 J
6.

What is the value of the Planck constant? :

a)

6.6 × 1034 Js6.6\ \times\ 10^{-34}\ Js

b)

9.1×1031 kg9.1\times10^{-31}\ kg

c)

1.7 ×1027 kg1.7\ \times10^{-27}\ kg

d)

1.6×1019 eV1.6\times10^{-19}\ eV

7.

Which of the following is NOT the unit of energy

a)

MeV

b)

J

c)

eV

d)

V

8.

Experiments on which of the following suggested the wave nature of electrons?

a)

electron diffraction by a crystalline material

b)

β decay

c)

line spectra of atoms

d)

the photoelectric effect

9.

Which type of microscope is the MOST suitable for observing the surface of a virus?

a)

Transmission Electron Microscope

b)

Confocal Microscope

c)

Light Microscope

d)

Scanning Electron Microscope

10.
Electron microscopes use a beam of _________________ to produce an image magnified up to 100,000 or more
a)
Sunlight
b)
Lasers
c)
Electrons