
SCI10_2Q_Assessment 1
Quiz by Marvin Velasco
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- Q1
How does a decrease in the frequency affect the electromagnetic wave?
both A and B
neither A nor B
Energy carried by the wave decreases.
Wavelength decreases.
30sS10FE-IIa-b-47 - Q2
Which electromagnetic waves has the shortest wavelength?
gamma ray
microwave
radio wave
X – ray waves
45sS10FE-IIa-b-47 - Q3
What color in the visible spectrum carries the lowest energy?
red
violet
blue
orange
45sS10FE-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 10^3 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
microwave
radio wave
45sS10FE-IIa-b-47 - Q5
What will happen to the frequency and wavelength if the energy of the waves decreases?
wavelength decreases, frequency increases
wavelength increases, frequency decreases
wavelength decreases, frequency decreases
wavelength increases, frequency increases
45sS10FE-IIa-b-47 - Q6
A certain FM radio station broadcasts at 90.5 MHz or 9.05 x 10^7 Hz. The radio wave travels at the speed of light, what is its wavelength?
2.72 x 10 ^16 m
3.31 m
0.05 m
2.72 x 10^10 m
45sS10FE-IIa-b-47 - Q7
Which shows the correct arrangement of the electromagnetic wave in increasing frequency?
x-ray waves, gamma ray waves, infrared waves, radio waves
microwave, infrared waves, visible light waves, ultraviolet waves
radio waves, infrared waves, microwaves, visible light waves
Infrared waves, visible light waves, ultraviolet waves, gamma ray waves
45sS10FE-IIa-b-47 - Q8
A radio wave with a frequency of 6.2 x 10^9Hz 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
0.05 m
1.861 x 10^18 m
2 x 10 ^-18 m
45sS10FE-IIa-b-47 - Q9
A radio wave with a frequency of 6.2 x 10^9Hz 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 10-^24 J
4.11 x 10^24 J·s
4.11 x 10^-24 J·s
4.11 x 10^24 J
45sS10FE-IIa-b-47 - Q10
What electromagnetic wave has the highest energy?
Ultraviolet wave
Gamma ray
Visible light
Radio wave
45sS10FE-IIa-b-47