AIIMS (All India Institute of Medical Sciences) Physics: Questions 373 - 378 of 500

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Question number: 373

» Kinematics » Motion in a Straight Line

MCQ▾

Question

An object is thrown upward with a vertical velocity of Equation . It will return in –

Choices

Choice (4) Response

a.

8 seconds

b.

4 seconds

c.

64 seconds

d.

16 seconds

Question number: 374

» Oscillations and Waves » Displacement Relation for a Progressive Wave

MCQ▾

Question

An earthquake generates both transverse (S) and longitudinal (P) sound waves in the earth. The speed of S waves is about Equation and that of P waves is about Equation . A seismograph records P and S waves from an earthquake. The first P wave arrives 6.0 min before the first S wave. The epicenter of the earthquake is located at a distance of about –

Choices

Choice (4) Response

a.

450 km

b.

4860 km

c.

5250 km

d.

75 km

Question number: 375

» Physics and Measurement » Dimensions of Physical Quantities

MCQ▾

Question

The difference in the length of a mean solar day and a sidereal day is about:

Choices

Choice (4) Response

a.

4 min

b.

56 min

c.

15 min

d.

1 min

Question number: 376

» Work, Energy and Power » Kinetic Energy

MCQ▾

Question

A body of mass 10 kg has momentum of Equation . When a force of 0.4 N is applied on it for 15 seconds, what is the change in its kinetic energy –

Choices

Choice (4) Response

a.

10.8 J

b.

5.0 J

c.

8.2 J

d.

15.2 J

Question number: 377

» Electromagnetic Induction & Alternating Currents » Self and Mutual Inductance

MCQ▾

Question

The of mutual inductance of two coils when magnetic flux changes by Equation and current changes by 0.02 A is –

Choices

Choice (4) Response

a.

6 H

b.

12 H

c.

9 H

d.

3 H

Question number: 378

» Dual Nature of Matter and Radiation » Black-Body Radiation

MCQ▾

Question

A black body, at a temperature of 240°C, radiates heat at a rate of Equation . When its temperature is raised to 750°C, the heat radiated by it in Equation will be closest to –

Choices

Choice (4) Response

a.

380

b.

260

c.

480

d.

140

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