Applications of E.M. Waves NEET Questions

Physics - Electromagnetic Waves

Applications of E.M. Waves MCQ Questions


1.
Radio waves are primarily used in:
A.
Cooking food in ovens
B.
Radio and television communication systems
C.
Medical imaging of bones
D.
Killing germs in water
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ANSWER :
B. Radio and television communication systems
2.
The AM radio band frequency range is:
A.
88 MHz to 108 MHz
B.
530 kHz to 1710 kHz
C.
300 MHz to 3 GHz
D.
54 MHz to 890 MHz
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ANSWER :
B. 530 kHz to 1710 kHz
3.
The FM (Frequency Modulated) radio band extends from:
A.
1 GHz to 3 GHz
B.
530 kHz to 1710 kHz
C.
54 MHz to 890 MHz
D.
88 MHz to 108 MHz
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ANSWER :
D. 88 MHz to 108 MHz
4.
Television (TV) broadcast waves typically have frequencies in the range:
A.
530 kHz to 1710 kHz
B.
1 GHz to 3 GHz
C.
88 MHz to 108 MHz
D.
54 MHz to 890 MHz
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ANSWER :
D. 54 MHz to 890 MHz
5.
Cellular (mobile) phones use radio waves in which band?
A.
Medium Frequency (MF)
B.
Very Low Frequency (VLF)
C.
Extremely Low Frequency (ELF)
D.
Ultra High Frequency (UHF)
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ANSWER :
D. Ultra High Frequency (UHF)
6.
Short wave radio bands cover frequencies up to:
A.
54 MHz
B.
108 MHz
C.
1710 kHz
D.
890 MHz
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ANSWER :
A. 54 MHz