Question

(D) collision will not change
ergy
22. A battery of emf 1.2 V and internal resistance 0.5 12 is
connected to resistance of 0.5 12, the P.D. across the
resistor is
(A) 1.2 volt
(B) 1.1 volt
(C) 1.05 volt
(D) 1 volt
ume
23. A gas is taken in a sealed container at 300 K. It is heated
at constant volume to a temperature 600 K. The mean
K.E. of its molecules is
(A) halved
(B) doubled
(C) tripled
(D) quadrupled
24. A wire of diameter 1 mm breaks under a tension of 100
N. Another wire of same material as that of the first
one, but of diameter 2 mm breaks under a tension of
(A) 500 N
line.
1 be
(B)
1000 N​

Answer 1

Answer:

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