AIIMS (All India Institute of Medical Sciences) Physics: Questions 307 - 312 of 500

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Question number: 307

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

MCQ▾

Question

A water drop of mass Equation is introduced between two plates with separationEquation . Calculate the force of attraction between the plates.

Choices

Choice (4) Response

a.

1.8 N

b.

2.8 N

c.

1.0 N

d.

3.2 N

Question number: 308

» Atoms and Nuclei » Radioactive Decay Law

MCQ▾

Question

A radioactive material has a half – life of 8 days. What fraction of the material would remain after 32 days –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 309

» Work, Energy and Power » Kinetic Energy

MCQ▾

Question

Find the mean translation kinetic energy of an oxygen molecule at 270 C. (Given: Avogadro number Equation and Equation ).

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 310

» Kinematics » Motion in a Straight Line

MCQ▾

Question

The displacement of a particle is given byEquation . The initial velocity and acceleration are respectively,

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation Equation

Question number: 311

» Kinematics » Projectile Motion

MCQ▾

Question

A body is projected at such an angle that the horizontal range is half of the greatest height. The angle of projection is

Choices

Choice (4) Response

a.

38°

b.

53°

c.

83°

d.

92°

Question number: 312

» Electromagnetic Induction & Alternating Currents » AC Generator and Transformer

MCQ▾

Question

The primary winding of a transformer has 750 turns whereas its secondary has 8250 turns. The primary is connected to a supply of 50 V, 50 Hz. The secondary will have an output of –

Choices

Choice (4) Response

a.

11 V, 50 Hz

b.

5 V, 5 Hz

c.

550 V, 50 Hz

d.

550 V, 500 Hz

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