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

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Question 283

Question

MCQ▾

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

Question 284

Question

MCQ▾

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.

Question 285

Question

MCQ▾

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.

Question 286

Question

MCQ▾

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.

25 kW

b.

50 kW

c.

100 kW

d.

200 kW

Question 287

Question

MCQ▾

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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