# Ray Optics (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 1 - 6 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.

b.

c.

d.

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## Question number: 2

» Ray Optics » Total Internal Reflection

MCQ▾

### Question

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

### Choices

Choice (4) Response

a.

b.

c.

d.

All of the above

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## 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

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## Passage

A cylindrical tube filled with water 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 2 is

### Choices

Choice (4) Response

a.

14 cm

b.

10 cm

c.

8 cm

d.

12 cm

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

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

MCQ▾

### Question

The length of the cylindrical tube is

### Choices

Choice (4) Response

a.

20 cm

b.

18 cm

c.

22 cm

d.

16 cm

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## Question number: 6 (3 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

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