wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

ความเป็นคู่ของคลื่น-อนุภาค

Total questions: 20

Worksheet time: 19mins

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.
Only the wave theory of light offers an explanation for the ability of light to exhibit...
a)
diffraction.
b)
reflection.
c)
photoluminescence.
d)
illumination.
3.
1 eV is equal to
a)
1.6 × 10-19 J
b)
2.0 × 10-20 J
c)
3 J
d)
4 J
4.

A particle of mass m has a kinetic energy of E.

What is the de Broglie wavelength of this particle?

a)

A

b)

B

c)

C

d)

D

5.

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

6.

An electron has a kinetic energy E and a de Broglie wavelength λ. The kinetic energy is increased to 4E. What is the new de Broglie wavelength?

a)

λ/4

b)

λ/2

c)

λ

d)

4λ

7.
The relationship between wavelength and frequency is λ=c/f.  Calculate the wavelength of light that has a frequency of 5.2 x 1012 1/s. The speed of of light is 3.0x 108 m/s.
a)
5.8 x 10 -5 m
b)
5.8 x 10 -7 m
c)
5.19 x 10 14 m
d)
1.56 x 10 23 m
8.

Solve this problems using the equation:

C = λf

If an AM radio station broadcasts at

9.95 x 105 Hz, what is the wavelength of this radiation?

a)

6.59 x 10-28 m

b)

1.01 x 10-6 m

c)

3.32 x 10-3 m

d)

302 m

9.
The distance between two crests or two troughs of a wave is called:
a)
frequency
b)
amplitud
c)
wavelength
d)
hertz
10.
Which wave has a greater frequency?
a)
A
b)
B
11.
What did Louis De Broglie discover?
By Destiny
a)
Waved Electrons Mechanics
b)
Neutrons
c)
None
d)
Protons
12.

What property of this wave is represented by the letter "A"

a)

amplitude

b)

crest

c)

trough

d)

wavelength

13.
When the frequency of a wave increases, what happens to the wavelength?
a)
The wavelength is not directly affected by the frequency of a wave.
b)
The wavelength increases.
c)
The wavelength decreases.
d)
More specific information is needed to form a conclusion about the wavelength.
14.
A wave with a frequency of 0.5 Hz and a speed of 10 m/s has a wavelength of
a)
0.2m
b)
0.5m
c)
20m
d)
50m
15.
De constante van Planck heeft de letter h als symbool en een numerieke waarde van :
a)
6,6*10-34
b)
9,1*10-31
c)
1,7*10-27
d)
1,6*10-19
16.

What does particle- wave duality mean?

a)

Both Light and Matter have particle-like and wavelike properties at the same time

b)

Particles and waves both work on objects

17.

Wave -particle duality is supported by...

a)

electrons behaving as particles with ordinary matter

b)

electrons behaving as waves when travelling through space

c)

the photo electric effect

d)

all of the above

18.

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

19.

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

e)

Uncertainty Principle

20.

Which of the following behaviors of light is wave-like?

a)

The photoelectric effect

b)

it reflects

c)

It is emitted and absorbed as photons

d)

It refracts