AIIMS (All India Institute of Medical Sciences) Physics: Questions 371 - 375 of 500

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Question number: 371

» Ray Optics » Resolving Power of Microscopes and Astronomical Telescopes

MCQ▾

Question

A telescope has an objective lens of focal length 500 cm and an eye piece with focal length 10 cm. If this telescope is used to see a 80 meter tall building at a distance of 5km, what is the height of the image of the building formed by the objective lens –

Choices

Choice (4) Response

a.

10 cm

b.

15 cm

c.

8 cm

d.

6 cm

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Question number: 372

» Oscillations and Waves » Reflection of Waves

MCQ▾

Question

A sound wave travelling with a velocity in medium A reaches a point on the interface of medium A and medium B. The velocity of wave in medium B is . What is the angle of incidence for total internal reflection?

Choices

Choice (4) Response

a.

b.

c.

d.

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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. It will return in –

Choices

Choice (4) Response

a.

8 seconds

b.

4 seconds

c.

64 seconds

d.

16 seconds

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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 and that of P waves is about. 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

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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

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