Ray Optics (AIIMS (All India Institute of Medical Sciences) Physics): Questions 14 - 17 of 18

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Question number: 14

» 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: 15

» 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

Question number: 16

» 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

Question number: 17

» Ray Optics » Snell's Law

MCQ▾

Question

What is the velocity of the light in the medium if Equation and the velocity of light in a vacuum is Equation ?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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