# Ray Optics-Magnification (NEET Physics): Questions 1 - 5 of 8

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## Question number: 1

» 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

## Question number: 2

» Ray Optics » Magnification

MCQ▾

### Question

The relation between the linear magnification m, the object distance u and the focal length f for a spherical mirror is

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 3

» Ray Optics » Magnification

MCQ▾

### Question

The focal length of a concave mirror is 30 cm. Find the position of the object in front of the mirror, so that the image is three times the size of the object.

### Choices

Choice (4) Response

a.

20 cm or 40 cm

b.

20 cm (only)

c.

30 cm (only)

d.

40 cm (only)

## Question number: 4

» Ray Optics » Magnification

MCQ▾

### Question

The relation between the linear magnification m, the object distance u and the focal length f for a spherical mirror is

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 5

» Ray Optics » Magnification

MCQ▾

### Question

A concave minor of focal length f 0 (in magnitude) produces a reals image n time the size of the object. What is the distance of the object from the mirror?

### Choices

Choice (4) Response

a.

b.

c.

d.

f Page