NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 2115 - 2119 of 2320

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Question number: 2115

» Properties of Solids & Liquids » Bulk Modulus

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Appeared in Year: 2017

MCQ▾

Question

The bulk modulus of a spherical object is . If it is subjected to uniform pressure , the fractional

Decrease in radius is:

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 2116

» Rotational Motion » Torque

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Appeared in Year: 2017

MCQ▾

Question

A rope is wound around a hollow cylinder of mass and radius . What is the angular acceleration of the cylinder if the rope is pulled with a force of ?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 2117

» Magnetic Effects of Current and Magnetism » Earth's Magnetic Field

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Appeared in Year: 2017

MCQ▾

Question

If and be the apparent angles of dip observed in two vertical planes at right angles to each other, then the true angle of dip is given by –

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 2118

» Current Electricity » Temperature Dependence of Resistance

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Appeared in Year: 2017

MCQ▾

Question

Two rods and of different materials are welded together as shown in figure. Their thermal conductivities are and . The thermal conductivity of the composite rod will be

Two rods A and B are connected

Two Rods a and B Are Connected

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 2119

» Work, Energy and Power » Conservative and Non-Conservative Forces

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Appeared in Year: 2017

MCQ▾

Question

Consider a drop of rain water having mass falling from a height of . It hits the ground with a speed of . Take constant with a value . The work done by the:

Gravitational force and

Resistive force of air is

Choices

Choice (4)Response

a.

b.

c.

d.

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