Ray Optics (AIIMS Physics): Questions 1 - 5 of 18

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Question number: 1

» Ray Optics » Total Internal Reflection

Appeared in Year: 2002

MCQ▾

Question

Brilliance of diamond is due to – [AIIMS, MP PMT 2003]

Choices

Choice (4) Response

a.

Total internal reflection

b.

Shape

c.

Cutting

d.

Reflection

Question number: 2

» Ray Optics » Resolving Power of Microscopes and Astronomical Telescopes

Appeared in Year: 2005

MCQ▾

Question

A telescope has an objective lens of focal length 200 cm and an eye piece with focal length 2cm. If this telescope is used to see a 50 meter tall building at a distance of 2km, what is the height of the image of the building formed by the objective lens – [AIIMS]

Choices

Choice (4) Response

a.

2 cm

b.

1 cm

c.

5 cm

d.

10 cm

Question number: 3

» Ray Optics » Total Internal Reflection

Appeared in Year: 1998

MCQ▾

Question

Mirage’ is a phenomenon due to [AIIMS; MP PET 2002; AFMC 2003]

Choices

Choice (4) Response

a.

Total internal reflection of light

b.

Refraction of light

c.

Reflection of light

d.

Diffraction of light

Question number: 4

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

Appeared in Year: 1995

MCQ▾

Question

Angle of prism is A and its one surface is silvered. Light rays falling at an angle of incidence 2A on first surface return back through the same path after suffering reflection at second silvered surface. Refractive index of the material of prism is – [AIIMS]

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 5

» Ray Optics » Lens Maker's Formula and Lens Formula

MCQ▾

Question

A lens is made of flint glass (refractive index = 1.5). When the lens is immersed in a liquid of refractive index 1.25, the focal length –

Choices

Choice (4) Response

a.

Decreases to a factor of 1.2

b.

Increases to a factor of 1.25

c.

Increases to a factor of 1.2

d.

Increases to a factor of 2.5

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