McqMate
Sign In
Hamberger menu
McqMate
Sign in
Sign up
Home
Forum
Search
Ask a Question
Sign In
McqMate Copyright © 2026
→
Uncategorized topics
→
A Level Physics
→
Communication Systems
→
Frequency of sky waves is
Q.
Frequency of sky waves is
A.
less then 3 MHz
B.
more than 3 MHz
C.
less than 2 MHz
D.
exactly 2 MHz
Answer» B. more than 3 MHz
3.9k
0
Do you find this helpful?
44
View all MCQs in
A Level Physics
Discussion
No comments yet
Login to comment
Related MCQs
As compared to sound waves the frequency of radio waves is
In the formation of stationary waves, at T⁄2 the waves are
If frequency of modulated wave is less than frequency of carrier wave, then input signal is
A train with a whistle that emits a note of frequency 800 Hz is approaching an observer at speed of 60 m s-1, the frequency of note heard by observer is {{}}
A rectangle-shaped open-to-sky tank of water has a length of 2 m and a width of 1 m. If the atmospheric pressure is assumed to be 100 kPa and thickness of the tank walls is assumed to be negligible, the force exerted by the atmosphere on the surface of water is
Speed of stationary waves is
Speed of sound in water is 1500 m s -1, depth of water when reflected sound waves are detected after 0.40 s is {{}}
Stationary waves are also called
Velocity of sound waves through any material depends on
Wavelength of 2.0 MHz ultrasound waves in tissue is