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Statement 1:

Earth has an atmosphere but the moon does not

Statement 2:

Moon is very small in comparison to earth

a)

Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1

b)

Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1

c)

Statement 1 is True, Statement 2 is False

d)

Statement 1 is False, Statement 2 is True



Question ID - 55569 | SaraNextGen Top Answer

Statement 1:

Earth has an atmosphere but the moon does not

Statement 2:

Moon is very small in comparison to earth

a)

Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1

b)

Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1

c)

Statement 1 is True, Statement 2 is False

d)

Statement 1 is False, Statement 2 is True

1 Answer
127 votes
Answer Key / Explanation : (b) -

(b)

If root mean square velocity of the gas molecules is less than escape velocity from that planet (or satellite) then atmosphere will remain attached with that planet and if  then there will be no atmosphere on the planet. This is the reason for no atmosphere at moon

127 votes


127