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General Science
➤ Physics ➤ 1
Question 1
Q1.
The Velocity of light is ___________ ?
3 X 10
8
m/sec
3 X 10
8
km/sec
3 X 10
8
miles/sec
3 X 10
8
cm/sec
Question 2
Q2.
A seconds pendulam is a pendulam whose time period is __________ ?
1 second
2 second
3 second
4 second
Question 3
Q3.
Radar is used to
locate submerged submarines.
receive signal from radio receivers.
detect and locate distant objects.
locate geostationary satellites.
Question 4
Q4.
Optical fibre works on the principle of ____________ ?
Refraction
Scattering
Interference
Total internal reflection
Question 5
Q5.
The colors of stars depend on their _________ ?
atmospheric pressure
distance
radius
temperature
1
2
3
...
20
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