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Physics Quiz for SSC and Railways Exams – (Set-6)

Published on Sunday, April 17, 2016
Dear Readers,
Today we are presenting you a 10 question set on Physics which is very important for your upcoming SSC CGL 2016 and RRB NTPC 2016. Try to solve it.

Physics Quiz for SSC and Railways Exams

1. Which of the following is known as Freon?
a) Liquid ammonia
b) Carbon tetrafluoride
c) Dichloro- difluoro-methane
d) Sulphur dioxide

2. On the following types of electromagnetic radiation which has the longest wave-length?
a) ultraviolet rays
b) gamma rays
c) radio waves
d) infrared waves

3. Of the following which has got the highest frequency?
a) ultraviolet rays
b) gamma rays
c) radio waves
d) infrared waves

4. Radio waves sent out by radio stations are reflected by
a) troposphere
b) stratosphere
c) mesosphere
d) ionosphere

5. The maximum range of most T.V signals is from 121 to 240 km only because
a) The curvature of earth limits the range of reception
b) the signals are weak
c) the signals are absorbed by air
d) the antennae are not powerful enough

6. rays from the headlight of a motor car are rendered parallel by suitably using
a) a convex mirror behind it
b)a concave lens behind it
c) a concave mirror in front of it
d) a concave mirror behind it

7. Which of the following has the highest refractive index?
a) Crown glass
b) Water
c) Flint glass
d) Diamond

8. When light travels from one medium to another there is a chance in its
a) velocity
b) wavelength
c) frequency
d) both (a) and (b)

9. we see the sun before it actually rises on the horizon.This is due to
a) refraction
b) reflection
c) total internal reflection
d) parallax

10. Diamond shines because of its
a) purity
b) hardness
c) high density
d) high refrective index and low critical angle

 

Answers: 


1. c) Dichloro- difluoro-methane
2. c) radio waves
3. b) gamma rays
4. d) ionosphere
5. a) The curvature of earth limits the range of reception
6. d) a concave mirror behind it
7. d) Diamond
8. d) both (a) and (b)
9. a) refraction
10. d) high refrective index and low critical angle

Thanks.
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