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1.Which of the following objects do not belong to the solar system. a.Asteroids b.comets c.Nebulae d.Planet
2.The planet nearest to the sun is a.Pluto b.Mercury c.Venus d.Uranus
3.Which is the most intense planet of the solar system a.Saturn b.Mars c.Venus d.Mercury
4.The escape velocity of a projectile from the earth is approximately a.7 km/sec. b.112 km/sec. c.11.2 km/sec. d.1.1 km/sec.
5.The ratio of the inertial mass to grvitational mass equal to a.0.5 b.1 c.2 d.no fixed number
6.A small satellite is revolving near earth's surface.It's orbital velocity will be nearly a.8 km/sec. b.11.2 km/sec. c.10 km/sec. d.6 km/sec.
7.The escape velocity for the moon is nearly a.11.2 km/sec b.5 km/sec. c.10 km/sec. d.2.4 km/sec.
8.Light from the nearest star(other than the sun) reaches earth in a.4.2 sec b.42 sec c.4.2 days d.4.2 year
9.Choose the wrong statement a.weight of a body is greater at the poles and less at equator b.weight of the body is greater in planes and less on hill tops c.weight of a body on the moon is less than that on the earth and is more on sun d.none of the above
10.If the radius of earth were to shrink by one percent,its mass remaining the same,the acceleration due to gravity on the earth's surface would a.decrease b.remains unchanged c.increase
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