
PROPERTIES OF ELECTROMAGNETIC WAVE
Quiz by Guiller Belen
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- Q1
How does a decrease in the frequency affect the electromagnetic wave?
Neither statement
Statement B: Energy carried by the wave decreases.
Statement A: Wavelength decreases.
both statement
30sS10FE-IIa-b-47 - Q2
Which electromagnetic waves has the shortest wavelength?
gamma ray
microwave
X-ray
radio wave
30sS10FE-IIa-b-47 - Q3
What color in the visible spectrum carries the lowest energy?
orange
red
violet
blue
30sS10FE-IIa-b-47 - Q4
Radio wave, X-ray waves, and microwave are observed to be travelling in a vacuum. If the waves have a wavelength of 2 x 103 m 2 x 10-9 m, 2 x 10-1 m respectively, which of the three travels the fastest?
radio wave
X - ray
They all travel at the same speed.
microwave
30sS10FE-IIa-b-47 - Q5
What will happen to the frequency and wavelength if the energy of the waves decreases?
wavelength increases, frequency decreases
wavelength increases, frequency increases
wavelength decreases, frequency increases
wavelength decreases, frequency decreases
30sS10FE-IIa-b-47 - Q6
A certain FM radio station broadcasts at 90.5 MHz or 9.05 x 107 Hz. The radio wave travels at the speed of light, what is its wavelength?
0.05 m
2.72 x 1016 m
2.72 x1010 m
3.31 m
120sS10FE-IIa-b-47 - Q7
What electromagnetic wave has the highest energy?
Ultraviolet wave
Gamma ray
Radio wave
Visible light
30sS10FE-IIa-b-47 - Q8
Which shows the correct arrangement of the electromagnetic wave in increasing frequency?
x-ray waves, gamma ray waves, infrared waves, radio waves
radio waves, infrared waves, microwaves, visible light waves
Infrared waves, visible light waves, ultraviolet waves, gamma ray waves
microwave, infrared waves, visible light waves, ultraviolet waves
60sS10FE-IIa-b-47 - Q9
A radio wave with a frequency of 6.2 x 109Hz is detected to be travelling in space. The value of Planck’s constant is 6.626 x 10-34 Js. What is the wavelength of the wave?
0.40 m
1.861 x 1018 m
0.05 m
2 x 10-18 m
60sS10FE-IIa-b-47 - Q10
A radio wave with a frequency of 6.2 x 109Hz is detected to be travelling in space. The value of Planck’s constant is 6.626 x 10-34 Js. How much energy does the wave carry?
4.11 x 1024 J·s
4.11 x 10-24 J·s
4.11 x 1024 J
4.11 x 10-24 J
60sS10FE-IIa-b-47