1
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Two astronauts are floating in gravitational free space after having lost contact with their spaceship. The two will
A
move towards each other.
B
move away from each other.
C
will become stationary.
D
keep floating at the same distance between them.
2
NEET 2017
MCQ (Single Correct Answer)
+4
-1
The bulk modulus of a spherical object is 'B'. If it is subjected to uniform pressure 'P', the fractional decrease in radius is
A
$${B \over {3p}}$$
B
$${{3p} \over B}$$
C
$${p \over {3B}}$$
D
$${p \over B}$$
3
NEET 2017
MCQ (Single Correct Answer)
+4
-1
A U tube with both ends open to the atmosphere, is partially filled with water. Oil, which is immiscible with water, is poured into one side until it stands at a distance of 10 mm above the water level on the other side. Meanwhile the water rises by 65 mm from its original level (see diagram). The density of the oil is

NEET 2017 Physics - Properties of Matter Question 73 English
A
425 kg m$$-$$3
B
800 kg m$$-$$3
C
928 kg m$$-$$3
D
650 kg m$$-$$3
4
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Two rods A and B of different materials are welded together as shown in figure. Their thermal conductivities are K1 and K2. The thermal conductivity of the composite will be

NEET 2017 Physics - Properties of Matter Question 76 English
A
$${{3\left( {{K_1} + {K_2}} \right)} \over 2}$$
B
$${K_1} + {K_2}$$
C
$$2\left( {{K_1} + {K_2}} \right)$$
D
$${{{K_1} + {K_2}} \over 2}$$
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