AIIMS (All India Institute of Medical Sciences) Physics: Questions 360 - 364 of 500

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Question number: 360

» Ray Optics » Deviation and Dispersion of Light by a Prism

MCQ▾

Question

Angle of prism is 30 and its one surface is silvered. Light rays falling at an angle of incidence 60 on first surface return back through the same path after suffering reflection at second silvered surface. Refractive index of the material of prism is –

Choices

Choice (4) Response

a.

Equation

b.

2

c.

Equation

d.

1.5

Question number: 361

» Oscillations and Waves » Speed of a Wave

MCQ▾

Question

A tuning fork vibrating at 250 Hz produces a sound wave which travels in air at a speed Equation . Find the distance travelled by sound during the time the fork makes 70 vibrations.

Choices

Choice (4) Response

a.

65.5 m

b.

70 m

c.

92.4 m

d.

82.6 m

Question number: 362

» Kinetic Theory of Gases » Kinetic Energy and Temperature

MCQ▾

Question

The mean translation kinetic energy of an oxygen molecule at Equation is –

(Avogadro number Equation and Equation )

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 363

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

MCQ▾

Question

The earth’s magnetic field at a given point is Equation . This field is to be annulled by magnetic induction at the center of a circular conducting loop of radius 8.0 cm. The current required to be flown in the loop is nearly:

Choices

Choice (4) Response

a.

50 A

b.

0.5 A

c.

0.25 A

d.

5 A

Question number: 364

» Ray Optics » Resolving Power of Microscopes and Astronomical Telescopes

MCQ▾

Question

A telescope has an objective lens of focal length 100 cm and an eye piece with focal length 5cm. If this telescope is used to see a 30 meter tall building at a distance of 1km, what is the height of the image of the building formed by the objective lens –

Choices

Choice (4) Response

a.

27 cm

b.

3 cm

c.

1 cm

d.

9 cm

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