1.Lunar Sea refers to :
(a) a small sea on the moon
(b) a sea on earth which experiences high tides due to gravitational attraction of the moon
(c) a dark plain on the moon
(d) a light water body illuminated by the moon-light
Ans:( c )
2.'Parsec' is the unit of measurement of:
(a) density of stars
(b) astronomical distance
(c) brightness of heavenly bodies
(d) orbital velocity of giant stars
Ans: (b)
3.Which one of the following statements regarding Shooting Stars is incorrect ?
(a) They are meteors
(b) They are the debris which got separated from a comet
(c) They emit light due to extremely high temperature caused by friction while they are
passing through earth's atmosphere
(d) They are a kind of a star
Ans: (d)
4. Foucault experiment is proof of which one of the following?
(a) Revolution of Earth
(b) Rotation of Earth
(c) Rotation of Moon
(d) Revolution of Moon
Ans:(b)
5.The Srnith-tuttle comet will crash with Earth in: [IA S 2003]
(a) 2106 AD
(b) 2116 AD
(c) 2126 AD
(d) 2136 AD
Ans: (b)
6.The speed of rotation of the earth is the highest:
(a) along the Equator
(b) at the North Pole
(c) along the Tropic of Cancer
(d) along the Arctic Circle
Ans:(a)
7."Mohs' Scale" is used to indicate the:
(a) degree of brittleness of a substance
(b) degree of hardness of minerals.
(c) degree of viscosity of a liquid
(d) degree of elasticity of a material
Ans: (b)
8. The earth is at the largest distance from the sun (Aphelion) on :
(a) June 21st
(b) January 3rd
(c) July 4th
(d) September 23rd
Ans: (c)
9.The speed of rotation of the earth is:
(a) 25 km/sec.
(b) 31 km/sec.
(c) 39.5 km/sec.
(d) 9.72 km/sec.
Ans: (d)
10.Heat received by earth from the Sun is known as:
(a) insolation
(b) solar heat
(c) solar radiation
(d) thermal radiation
Ans: (a)
Keerthi Rajagopal
1.Lunar Sea refers to : (a) a small sea on the moon (b) a sea on earth which experiences high tides due to gravitational attraction of the moon (c) a dark plain on the moon (d) a light water body illuminated by the moon-light Ans:( c ) 2.'Parsec' is the unit of measurement of: (a) density of stars (b) astronomical distance (c) brightness of heavenly bodies (d) orbital velocity of giant stars Ans: (b) 3.Which one of the following statements regarding Shooting Stars is incorrect ? (a) They are meteors (b) They are the debris which got separated from a comet (c) They emit light due to extremely high temperature caused by friction while they are passing through earth's atmosphere (d) They are a kind of a star Ans: (d) 4. Foucault experiment is proof of which one of the following? (a) Revolution of Earth (b) Rotation of Earth (c) Rotation of Moon (d) Revolution of Moon Ans:(b) 5.The Srnith-tuttle comet will crash with Earth in: [IA S 2003] (a) 2106 AD (b) 2116 AD (c) 2126 AD (d) 2136 AD Ans: (b) 6.The speed of rotation of the earth is the highest: (a) along the Equator (b) at the North Pole (c) along the Tropic of Cancer (d) along the Arctic Circle Ans:(a) 7."Mohs' Scale" is used to indicate the: (a) degree of brittleness of a substance (b) degree of hardness of minerals. (c) degree of viscosity of a liquid (d) degree of elasticity of a material Ans: (b) 8. The earth is at the largest distance from the sun (Aphelion) on : (a) June 21st (b) January 3rd (c) July 4th (d) September 23rd Ans: (c) 9.The speed of rotation of the earth is: (a) 25 km/sec. (b) 31 km/sec. (c) 39.5 km/sec. (d) 9.72 km/sec. Ans: (d) 10.Heat received by earth from the Sun is known as: (a) insolation (b) solar heat (c) solar radiation (d) thermal radiation Ans: (a)
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