AIIMS (All India Institute of Medical Sciences) Physics: Questions 282 - 285 of 500

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Question number: 282

» Oscillations and Waves » Longitudinal and Transverse Waves

Appeared in Year: 2003

Assertion-Reason▾

Question

Assertion (Ꭺ)

When a beetle moves along the sand within a few tens of centimeters of a sand scorpion, the scorpion immediately turns towards the beetle and dashes towards it.

Reason (Ꭱ)

When a beetle disturbs the sand, it sends pulses along the sand’s surface. One set of pulses is longitudinal while the other set is transverse.

Choices

Choice (4) Response

a.

Ꭺ is true but Ꭱ is false

b.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

c.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

d.

Ꭺ is false but Ꭱ is true

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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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