A. White
B. Black
C. Maroon
D. Dark Blue
22. When white light passes
through a prism, it splits into __________ colours.
A. 5
B. 6
C. 7
D. 8
23. A camera uses a __________
to form an image on a piece of film at the back.
A. convex lens
B. concave lens
C. diverging lens
D. one of these
24. Short-sight defect could be corrected by a
__________.
A. convex lens
B. concave lens
C. converging lens
D. none of these
25. Red + Green + Blue = ?
A. White
B. Black
C. Maroon
D. Dark Blue
26. Ozone layer protects
the Earth from __________ radiations from the Sun.
A. microwaves
B. infrared
C. X-rays
D. ultraviolet
27. The distance of Moon from the Earth is
__________ km.
A. 364,000
B. 384,000
C. 464,000
D. 484,000
28. There are __________ planets in orbit around
the Sun.
A. 6
B. 7
C. 8
D. 9
29. Planets are kept in orbit by the?
A. Attraction among the
Planets
B. Attraction among the
Planets and the Sun
C. Radiations from the Sun
D. Gravitational pull of the
Sun
30. Which from the following is NOT a Renewable
Energy?
A. Geothermal
B. Solar
C. Nuclear
D. Biofuels
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