1
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language
A light rod of length $$l$$ has two masses m1 and m2 attached to its two ends. The moment of inertia of the system about an axis perpendicular to the rod and passing through the centre of mass is
A
$${{{m_1}{m_2}} \over {{m_1} + {m_2}}}{l^2}$$
B
$${{{m_1} + {m_2}} \over {{m_1}{m_2}}}{l^2}$$
C
$$\left( {{m_1} + {m_2}} \right){l^2}$$
D
$$\sqrt {{m_1}{m_2}} \,{l^2}$$
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
Three liquids of densities $$\rho $$1, $$\rho $$2  and $$\rho $$3 (with $$\rho $$1 > $$\rho $$2 > $$\rho $$3), having the same value of surface tension T, rise to the same height in three identical capillaries. The angles of contact $$\theta $$1, $$\theta $$2 and $$\theta $$3 obey
A
$${\pi \over 2} > {\theta _1} > {\theta _2} > {\theta _3} \ge 0$$
B
0 $$ \le $$ $$\theta $$1 < $$\theta $$2 < $$\theta $$3 < $${\pi \over 2}$$
C
$${\pi \over 2} < {\theta _1} < {\theta _2} < {\theta _3} < \pi $$
D
$$\pi > {\theta _1} > {\theta _2} > {\theta _3} > {\pi \over 2}$$
4
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language
Two identical bodies are made of a material for which the heat capacity increases with temperature. One of these is at 100oC, while the other one is at 0oC. If the two bodies are brought into contact, then, assuming no heat loss, the final common temperature is
A
50 oC
B
more than 50 oC
C
less than 50 oC but greater than 0 oC
D
0 oC
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