NEET 2017 | Properties of Matter Question 30 | Physics

NEET 2017

MCQ (Single Correct Answer)

-1

The bulk modulus of a spherical object is 'B'. If it is subjected to uniform pressure 'P', the fractional decrease in radius is

$${B \over {3p}}$$

$${{3p} \over B}$$

$${p \over {3B}}$$

$${p \over B}$$

NEET 2016 Phase 2

MCQ (Single Correct Answer)

-1

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

$${\pi \over 2} > {\theta _1} > {\theta _2} > {\theta _3} \ge 0$$

0 $$ \le $$ $$\theta $$₁ < $$\theta $$₂ < $$\theta $$₃ < $${\pi \over 2}$$

$${\pi \over 2} < {\theta _1} < {\theta _2} < {\theta _3} < \pi $$

$$\pi > {\theta _1} > {\theta _2} > {\theta _3} > {\pi \over 2}$$

NEET 2016 Phase 2

MCQ (Single Correct Answer)

-1

A rectangular film of liquid is extended from (4 cm $$ \times $$ 2 cm) to (5 cm $$ \times $$ 4 cm). If the work done is 3 $$ \times $$ 10^$$-$$4 J, the value of the surface tension of the liquid is

0.250 N m^$$-$$1

0.125 N m^$$-$$1

0.2 N m^$$-$$1

8.0 N m^$$-$$1

NEET 2016 Phase 2

MCQ (Single Correct Answer)

-1

Two identical bodies are made of a material for which the heat capacity increases with temperature. One of these is at 100^oC, while the other one is at 0^oC. If the two bodies are brought into contact, then, assuming no heat loss, the final common temperature is

50 ^oC

more than 50 ^oC

less than 50 ^oC but greater than 0 ^oC

0 ^oC

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