Physics Questions
1. When light waves pass from air to glass, the
variables affected are
(a) Wavelength, frequency and velocity
(b) Velocity and frequency
(c) Wavelength and frequency
(d) Wavelength and velocity
2. Which of the following types of glass can cut
of ultraviolet rays?
(a) Soda glass
(b)
Pyrex glass
(c) jena glass
(d) crooks glass
3. Which of the following is used in oven?
(a) X-rays
(b)UV-rays
(c) Microwaves
(d)Radio waves
4. Which one of the following has highest
frequency?
(a) cosmic rays
(b) X-rays
(c) radio waves
(d) microwave
5. Which of the following electromagnetic waves
has the longest wavelength?
(a) Infrared rays
(b)gamma rays
(c) light rays
(d) ultraviolet rays
6. X-rays were discovered by-
(a) Roentgen
(b) Becquere
(c) Curie
(d)
Van lane
7. Doppler effect is independent of
(a) Velocity of source
(b) Velocity of listener
(c)Distance between source and observer
(d) none of these
8. Ultra violet light of sun’s radiation is
prevented from reaching the earth’s atmosphere by the layer of
(a) oxygen
(b) hydrogen
(c) ozone
(d)
helium
9. Optical fibre works on the principle of
(a) Total internal reflection
(b) Refraction
(c) Scattering
(d) interference
10. An air bubble in water will act like a
(a) Convex mirror
(b)
convex lens
(c) Concave
mirror
(d) concave lens
11. Total internal reflection can take place when
light travel from
(a) Diamond to glass
(b)
water to glass
(c) Air to water
(d) air to glass
12. Diffusion of light in the atmosphere takes
place due to
(a) Carbon dioxide
(b) dust particles
(c) Helium
(d)
water vapours
13. To which one of the following process is the
term CMYK related?
(a) railway signaling
(b) navigation
(c) offset printing
(d) electronic voting machine
14. Which of the following types of light are
strongly absorbed by plants?
(a) Violet and oranges
(b) blue and red
(c) indigo and yellow
(d)
yellow and violet
15. Which one of the following types of waves are
used in a night vision apparatus?
(a) Radio waves
(b) microwaves
(c)
infer-red-waves
(d) none of these
16. Which of the following reflects back more
sunlight as compared to other three?
(a) Sand desert
(b) Paddy crop lan
(c) Land covered with fresh snow
(d) prairie land
17. Cylindrical lens is used by a person suffering
from:
(a) Astigmatism
(b) myopia
(c) Hypermetropia
(d) presbyopia
18. In summer, the mirages are seen due to the
phenomenon of
(a) Reflection of light
(b) total internal reflection
(c) Interference of light
(d) diffraction of light
19. camberts, law is related to
(a)reflection
(b) refraction
(c) interference
(d) illumination
20. Electron microscope was invented by
(a) Knoll and ruska
(b)
Robert Koch
(c) Leeuwenhock
(d)
CPS wanson
Answer
1.
D
2.
D
3.
C
4.
A
5.
A
6.
A
7.
C
8.
C
9.
A
10. D
11. A
12. B
13. C
14. B
15. C
16. C
17. A
18. B
19. D
20 A
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