NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 2113 - 2116 of 2142

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Question number: 2113

» Atoms and Nuclei » Radioactive Decay Law

Appeared in Year: 2017

MCQ▾

Question

Radioactive material has decay constant and material has decay constant . Initially they have same number of nuclei. After what time, the ratio of number of nuclei of material to that will be ?

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Choice (4) Response

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b.

c.

d.

Question number: 2114

» Properties of Solids & Liquids » Bulk Modulus

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:

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Choice (4) Response

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b.

c.

d.

Question number: 2115

» Rotational Motion » Torque

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 ?

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Choice (4) Response

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c.

d.

Question number: 2116

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

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

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b.

c.

d.

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