1
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
If mass-energy equivalence is taken into account, when water is cooled to form ice, the mass of water should
A
increase
B
remain unchanged
C
decrease
D
first increase then decrease
2
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
Cooking gas containers are kept in a lorry moving with uniform speed. The temperature of the gas molecules inside will
A
increase
B
decrease
C
remain same
D
decrease for some, while increase for others
3
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
At what temperature is the $$r.m.s$$ velocity of a hydrogen molecule equal to that of an oxygen molecule at $${47^ \circ }C?$$
A
$$80K$$
B
$$-73$$ $$K$$
C
$$3$$ $$K$$
D
$$20$$ $$K$$
4
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
1 mole of a gas with $$\gamma = 7/5$$ is mixed with $$1$$ mole of a gas with $$\gamma = 5/3,$$ then the value of $$\gamma $$ for the resulting mixture is
A
$$7/5$$
B
$$2/5$$
C
$$3/2$$
D
$$12/7$$
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