1
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
$$ - {{2m{g_0}{R^2}} \over {R + h}}$$
2
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
$${{{t_1} + {t_2}} \over {{t_1} + 273}}$$
3
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
4
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language
A body cools from a temperature 3T to 2T in 10 minutes. The room temperature is T. Assume that Newton's law of cooling is applicable. The temperature of the body at the end of next 10 minutes will be
A
$${7 \over 4}\,$$ T
B
$${3 \over 2}$$ T
C
$${4 \over 3}$$ T
D
T