NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1448 - 1452 of 2184

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Question number: 1448

» Thermodynamics » Concept of Temperature

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MCQ▾

Question

An ideal gas expands in such a manner that its pressure and volume can be related by equation PV 2 = constant. During this process, the gas is

Choices

Choice (4) Response

a.

Heated

b.

First heated and then cooled

c.

Cooled

d.

Neither heated nor cooled

Question number: 1449

» Properties of Solids & Liquids » Elastic Behavior

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MCQ▾

Question

The volume of a solid rubber ball when it is carried from the surface to the bottom of a 200 m deep lake decreases by 0.1 %. The value for bulk modulus of elasticity for rubber will be

Choices

Choice (4) Response

a.

2 × l0 9 Pa

b.

2 × l0 4 Pa

c.

2 × 10 -4 Pa

d.

2 × l0 6 Pa

Question number: 1450

» Dual Nature of Matter and Radiation » De-Broglie Relation

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MCQ▾

Question

The ratio of wavelength of deuteron & proton accelerated by an equal potential is,

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1451

» Properties of Solids & Liquids » Specific Heat Capacity

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MCQ▾

Question

A student takes 50 gm wax (specific heat = 0.6 kcal/kg °C) and heats it till it boils. The graph between temperature and time is as follows. Heat supplied to the wax per minute and boiling point are respectively.

Temperature vs time graph - 50gm wax

Temperature vs Time Graph - 50gm Wax

In above figure we can show that effect of temperature on wax

Choices

Choice (4) Response

a.

1500 cal, 200°C

b.

500 cal, 50°C

c.

1000 cal, 100°C

d.

1000 cal, 200°C

Question number: 1452

» Wave Optics » Young's Double Slit Experiment

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MCQ▾

Question

In a Young’s double slit experiment, the separation between the slits is 0.10 mm, the wavelength of light used is 600 nm and the interference pattern is observed on a screen 1.0 m away. Find the separation between the successive bright fringes.

Choices

Choice (4) Response

a.

6.6 mm

b.

6 cm

c.

6.0 mm

d.

6 m