1
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language
Two rotating bodies A and B of masses m and 2m with moments of inertia $${I_A}$$ and $${I_B}$$ ($${I_B}$$ > $${I_A}$$) have equal kinetic energy of rotation. If LA and LB be their angular momenta respectively, then
A
$${L_A} = {{{L_B}} \over 2}$$
B
$${L_A} = 2{L_B}$$
C
$${L_B} > {L_A}$$
D
$${L_A} > {L_B}$$
2
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language
A satellite of mass m is orbiting the earth (of radius R) at a height h from its surface. The total energy of the satellite in terms of g0, the value of acceleration due to gravity at the earth's surface, is
A
$${{m{g_0}{R^2}} \over {2\left( {R + h} \right)}}$$
B
$$ - {{m{g_0}{R^2}} \over {2\left( {R + h} \right)}}$$
C
$${{2m{g_0}{R^2}} \over {R + h}}$$
D
$$ - {{2m{g_0}{R^2}} \over {R + h}}$$
3
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language
The temperature inside a refrigerator is t2 oC. The amount of heat delivered to the room for each joule of electrical energy consumed ideally will be
A
$${{{t_1}} \over {{t_1} - {t_2}}}$$
B
$${{{t_1} + 273} \over {{t_1} - {t_2}}}$$
C
$${{{t_2} + 273} \over {{t_1} - {t_2}}}$$
D
$${{{t_1} + {t_2}} \over {{t_1} + 273}}$$
4
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language
A given sample of an ideal gas occupies a volume V at a pressure P and absolute temperature T. The mass of each molecule of the gas is m. Which of the following gives the density of the gas ?
A
P/(kT)
B
Pm/(kT)
C
P/(KTV)
D
mkT