AIIMS (All India Institute of Medical Sciences) Physics: Questions 283 - 287 of 500

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Question number: 283

» Oscillations and Waves » Standing Waves in Strings and Organ Pipes

MCQ▾

Question

An organ pipe closed at one end has fundamental frequency of 2000 Hz. The maximum number of overtones generated by this pipe which a normal person can hear is –

Choices

Choice (4) Response

a.

20

b.

10

c.

5

d.

15

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Question number: 284

» Properties of Solids & Liquids » Viscosity

MCQ▾

Question

of a viscous liquid flows per unit time due to a pressure head along a pipe of diameter and length . Instead of this pipe, a set of eight pipes each of the diameter and length is connected to the same pressure head . What will be the volume of liquid flowing per unit time?

Choices

Choice (4) Response

a.

b.

c.

d.

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Question number: 285

» Work, Energy and Power » Work-Energy Theorem

MCQ▾

Question

A bullet when fired at a target with a velocity of , penetrates 4.5 meter into it. If the bullet is fired with the same velocity at a similar target with a thickness 0.5 meter, then it will emerge from it with a velocity of –

Choices

Choice (4) Response

a.

b.

c.

d.

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Question number: 286

» Electrostatics » Capacitors

MCQ▾

Question

A capacitor in a defibrillator is charged to 2000 V. The energy stored in the capacitor is sent through the patient during a pulse of duration 4 ms. The power delivered to the patient is –

Choices

Choice (4) Response

a.

100 kW

b.

25 kW

c.

50 kW

d.

200 kW

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Question number: 287

» Magnetic Effects of Current and Magnetism » Biot - Savart Law

MCQ▾

Question

A closely wound flat circular coil of 30 turns of wire has diameter of 12 cm and carries a current of 6 ampere. Determine the magnetic flux density at the centre of the coil:

Choices

Choice (4) Response

a.

b.

c.

d.

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