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26. Solar energy received by planets
A. increases as the distance of plant from the Sun increases
B. decreases as the distance of the plant from the Sun increases
C. is zero
D. is same for all planets
Explanation:
27. Kepler’s third law can he used to find
A. speed of motion of a planet
B. size of a planet
C. distance of a planet
D. mass of a planet
Explanation:
28. In solar system, the plant nearest to the Sun is
A. Mars
B. Mercury
C. Earth
D. Venus
Explanation:
29. Parallax method is used to find
A. distance of a planet from the earth
B. temperature of a planet
C. mass of a planet
D. size of a planet
Explanation:
30. The albedo of Mercury is
A. 6
B. 0.06
C. 0.85
D. 0.6
Explanation:
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