NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 2114 - 2117 of 2184

Access detailed explanations (illustrated with images and videos) to 2184 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.

Rs. 550.00 or

How to register?

Question number: 2114

» Atoms and Nuclei » Radioactive Decay Law

Edit

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 ?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 2115

» Properties of Solids & Liquids » Bulk Modulus

Edit

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

Edit

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

Edit

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.