
Post Test: Science G10 2Q Module 1
Quiz by Jerald U. Carilla
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- Q1
1. How does a decrease in the frequency affect the electromagnetic wave?
Energy carried by the wave decreases.
both A and B
neither A nor B
Wavelength decreases.
30s - Q2
2. Which electromagnetic waves has the shortest wavelength?
X – ray waves
radio wave
microwave
gamma ray
30s - Q3
3. What color in the visible spectrum carries the lowest energy?
orange
violet
blue
red
30s - Q4
4. 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?
They all travel at the same speed.
X - ray waves
radio wave
microwave
30s - Q5
5. What will happen to the frequency and wavelength if the energy of the waves decreases?
wavelength decreases, frequency decreases
wavelength increases, frequency decreases
wavelength increases, frequency increases
wavelength decreases, frequency increases
30s - Q6
6. 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 x1010 m
3.31 m
2.72 x 1016 m
30s - Q7
7. What electromagnetic wave has the highest energy?
Ultraviolet wave
Visible light
Gamma ray
Radio wave
30s - Q8
8. Which shows the correct arrangement of the electromagnetic wave in increasing frequency?
radio waves, infrared waves, microwaves, visible light waves
x-ray waves, gamma ray waves, infrared waves, radio waves
Infrared waves, visible light waves, ultraviolet waves, gamma ray waves
microwave, infrared waves, visible light waves, ultraviolet waves
30s - Q9
9. 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
2 x 10-18 m
1.861 x 1018 m
0.05 m
30s - Q10
10. How much energy does the wave carry?
4.11 x 10-24 J
4.11 x 1024 J·s
4.11 x 10-24 J·s
4.11 x 1024 J
30s