Ray Optics (NEET (National Eligibility cum Medical Entrance Test) Physics): Questions 1 - 5 of 105

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Question number: 1

» Ray Optics » Power of a Lens

MCQ▾

Question

The plane surface of a Plano-convex lens is silvered If radius of curved surface is R and refractive index is µ, then the system behaves like a concave mirror whose radius will be,

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 2

» Ray Optics » Total Internal Reflection

MCQ▾

Question

A glass prism Equation is dipped in water Equation as shown in figure. A light ray is incident normally on the surface AB. It reaches the surface BC after T. I. R

Glass prism dipped in water

Glass Prism Dipped in Water

A glass prism is dipped in water. A light ray is incident normally on the surface AB and reaches the surface BC after total internal reflection.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

All of the above

Question number: 3

» Ray Optics » Magnification

MCQ▾

Question

An object of length 1 cm is placed at a distance of 15 cm from a concave mirror of focal length 10 cm. The nature and size of the image are,

Choices

Choice (4) Response

a.

Real, inverted, 2.0 cm

b.

Virtual, erect, 1.0 cm

c.

Real, inverted, 1.0 cm

d.

Virtual, erect, 0.5 cm

Passage

Read the passage given below and answer the questions that follow:

Finding a water in given figure.

Finding a Water in Given Figure.

In figure a cylindrical tube filled with water is closed at its both ends by two silvered Plano convex lenses. A point object is placed at a point O on the axis of cylindrical tube.

A cylindrical tube filled with water Equation is closed at its both ends by two silvered Plano convex lenses as shown in the figure. Refractive index of lenses L 1 and L 2 are 2.0 and 1.5 while their radii of curvature are 5 cm and 9 cm respectively. A point object is placed somewhere at a point O on the axis of cylindrical tube. It is found that the object and image coincide each other.

Question number: 4 (1 of 3 Based on Passage) Show Passage

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

MCQ▾

Question

The position of object w. r. t lens L 1 is

Choices

Choice (4) Response

a.

10 cm

b.

12 cm

c.

8 cm

d.

14 cm

Question number: 5 (2 of 3 Based on Passage) Show Passage

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

MCQ▾

Question

The position of object w. r. t lens L 2 is

Choices

Choice (4) Response

a.

14 cm

b.

10 cm

c.

8 cm

d.

12 cm

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