Pick out the correct increasing order of energy of electromagnetic waves from the following.

Emicro < Einfrared < Evisible < Egamma < Eultraviolet

Einfrared < Emicro < Evisible < Eultraviolet < Egamma

Emicro < Einfrared < Evisible < Eultraviolet < Egamma

Emicro < Einfrared < Evisible < Egamma < Eultraviolet

Emicro < Einfrared < Eultraviolet < Evisible < Egamma

15 + Mcqs in Electromagnetic Spectrum in Physics Page 1 McqOptions

1.	Which of the following cannot travel in vacuum?
A.	Radio waves
B.	Gamma Waves
C.	Infrared Waves
D.	Infrasonic waves
Answer» E.

Discussion

2.	Pick out the correct increasing order of energy of electromagnetic waves from the following.
A.	E<sub>infrared</sub> < E<sub>micro</sub> < E<sub>visible</sub> < E<sub>ultraviolet</sub> < E<sub>gamma</sub>
B.	E<sub>micro</sub> < E<sub>infrared</sub> < E<sub>visible</sub> < E<sub>ultraviolet</sub> < E<sub>gamma</sub>
C.	E<sub>micro</sub> < E<sub>infrared</sub> < E<sub>visible</sub> < E<sub>gamma</sub> < E<sub>ultraviolet</sub>
D.	E<sub>micro</sub> < E<sub>infrared</sub> < E<sub>ultraviolet</sub> < E<sub>visible</sub> < E<sub>gamma</sub>
Answer» C. E<sub>micro</sub> < E<sub>infrared</sub> < E<sub>visible</sub> < E<sub>gamma</sub> < E<sub>ultraviolet</sub>

Discussion

3.	Electromagnetic radiation has an energy of 15 keV. Then this radiation belongs to which region of electromagnetic waves?
A.	X rays
B.	Infrared rays
C.	Gamma rays
D.	UV rays
Answer» B. Infrared rays

Discussion

4.	The speeds of microwaves, infrared waves, and ultraviolet waves are V_m, V_i, and V_u respectively. Identify the correct combination showing the different waves in vacuum.
A.	V<sub>m</sub> > V<sub>i</sub> > V<sub>u</sub>
B.	V<sub>m</sub> = V<sub>i</sub> = V<sub>u</sub>
C.	V<sub>m</sub> < V<sub>i</sub> < V<sub>u</sub>
D.	V<sub>m</sub> > V<sub>i</sub> < V<sub>u</sub>
Answer» C. V<sub>m</sub> < V<sub>i</sub> < V<sub>u</sub>

Discussion

5.	A radio can tune to any station in the frequency range from 2.5 MHz to 15 MHz bands. What is the corresponding wavelength band?
A.	30 m to 130 m
B.	40 m to 140 m
C.	20 m to 120 m
D.	10 m to 110 m
Answer» D. 10 m to 110 m

Discussion

6.	Which is the frequency range of gamma rays from the following?
A.	1 10<sup>18</sup> to 3 10<sup>22</sup> Hz
B.	3 10<sup>-18</sup> to 5 10<sup>22</sup> Hz
C.	3 10<sup>18</sup> to 5 10<sup>22</sup> Hz
D.	3 10<sup>-18</sup> to 5 10<sup>-22</sup> Hz
Answer» D. 3 10<sup>-18</sup> to 5 10<sup>-22</sup> Hz

Discussion

7.	Monica wanted to take photographs of a monument. But since the surrounding is filled with smoke, she is not able to take good photos. Which one of the following electromagnetic waves can be used in this situation to help Monica?
A.	X-rays
B.	Gamma rays
C.	Ultraviolet rays
D.	Infrared waves
Answer» E.

Discussion

8.	Stephen is thinking of going to the hospital for checking whether he has tuberculosis since he believes that he may have some early symptoms of the disease. His friend suggests him to do an x-ray checkup to clear up the confusion. Is the suggestion made by Stephen s friend going to help him?
A.	True
B.	False
Answer» C.

Discussion

9.	Pick out the electromagnetic wave which is highly harmful to humans.
A.	Radio waves
B.	Ultraviolet Rays
C.	Microwaves
D.	Infrared Waves
Answer» C. Microwaves

Discussion

10.	Identify the electromagnetic wave which is also known as heatwaves.
A.	Radio Waves
B.	Gamma Waves
C.	X-Rays
D.	Infrared Waves
Answer» E.

Discussion

11.	Which among the following is an application of microwaves?
A.	Solar cells
B.	Ovens
C.	Radiotherapy
D.	Burglar alarms
Answer» C. Radiotherapy

Discussion

12.	Microwaves are produced by klystrons.
A.	True
B.	False
Answer» B. False

Discussion

13.	What is the full form of UHF?
A.	Under heavy frequency
B.	Ultra-high frequency
C.	Ultra heavy frequency
D.	Under high frequency
Answer» C. Ultra heavy frequency

Discussion

14.	Which among the following has a frequency range of 500 kHz to 1000 MHz?
A.	Microwaves
B.	Infrared Waves
C.	Radio Waves
D.	Gamma Rays
Answer» D. Gamma Rays

Discussion

15.	On what basis is the classification of electromagnetic waves done?
A.	Electromagnetic spectrum
B.	Electric field
C.	Magnetic field
D.	Propagation constant
Answer» B. Electric field

Discussion

Explore topic-wise MCQs in Physics.

Which of the following cannot travel in vacuum?

Pick out the correct increasing order of energy of electromagnetic waves from the following.

Electromagnetic radiation has an energy of 15 keV. Then this radiation belongs to which region of electromagnetic waves?

The speeds of microwaves, infrared waves, and ultraviolet waves are Vm, Vi, and Vu respectively. Identify the correct combination showing the different waves in vacuum.

A radio can tune to any station in the frequency range from 2.5 MHz to 15 MHz bands. What is the corresponding wavelength band?

Which is the frequency range of gamma rays from the following?

Monica wanted to take photographs of a monument. But since the surrounding is filled with smoke, she is not able to take good photos. Which one of the following electromagnetic waves can be used in this situation to help Monica?

Stephen is thinking of going to the hospital for checking whether he has tuberculosis since he believes that he may have some early symptoms of the disease. His friend suggests him to do an x-ray checkup to clear up the confusion. Is the suggestion made by Stephen s friend going to help him?

Pick out the electromagnetic wave which is highly harmful to humans.

Identify the electromagnetic wave which is also known as heatwaves.

Which among the following is an application of microwaves?

Microwaves are produced by klystrons.

What is the full form of UHF?

Which among the following has a frequency range of 500 kHz to 1000 MHz?

On what basis is the classification of electromagnetic waves done?

The speeds of microwaves, infrared waves, and ultraviolet waves are V_m, V_i, and V_u respectively. Identify the correct combination showing the different waves in vacuum.