PPSC Physics Topic 4 MCQ Test With Answer

An important topic in the PPSC Physics Test is Geometrical Optics. In the field of Geometrical Optics, physicists study the propagation and behavior of light with the help of abstract mathematical rays. The process of abstraction of the concept of light makes it easier for the physicists to study the light when it goes from one place to the other or strikes with some material. Our understanding of the universe is nothing without the visible light that allows us to see things with our naked eyes. The importance of Geometrical Optics is therefore fundamental in the study of Physics as it enables us to understand how we see and what improvements we can make to see things better.

We at IlmKiDunya.com enable you to attempt PPSC Physics online test. With Online PPSC Physics exam preparation, you can have an idea of what questions get asked in the paper. Start the test now and test your understanding of Geometrical Optics.

MCQ's Test For PPSC Physics Topic 4 Geometrical Optics

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PPSC Physics Topic 4 Geometrical Optics

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Question # 1

On which of the following the object size as perceived by eye depends upon.

Question # 2

If the image is virtual then its distance from the lens is taken.

Question # 3

When a light ray enters from air into water then its wavelength.

Question # 4

Plossi or symmetrical eye piece consists of

Question # 5

Shadow formation and the pin hole camera illustrate the

Question # 6

The maximum distance between an object and its real image in case of convex lens is

Question # 7

Sunlight can undergo total internal reflection if it enters from

Question # 8

linear magnification is the ratio between the

Question # 9

A person suffering from short sighted ness uses

Question # 10

A person of height 1.5 m stands 2.0 m in front of a plane mirror How far from the person is her image .

Question # 11

Parallel rays of light are focused by a thin convex lens.A thin concave lens of the name focal length is then joinjed to the convex lens The focal point will.

Question # 12

Image formed by a concave lens is.

Question # 13

The working principal of a photograph enlarger is basically the same as that of a.

Question # 14

What is the focal length of a normal eye lens.

Question # 15

When of the following colours scatters minimum.

Question # 16

The phenomenon of regular refraction of light illustrates taht.

Question # 17

Which phenomenon is responsible formation of shadows.

Question # 18

Why does a glass plate inside a colorless liquid become invisible

Question # 19

In a magnifying glass, the objective is placed at a distance

Question # 20

On which property of lens, longitudinal chromatic aberration depend upon

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PPSC Physics Chapter 4 Important MCQ's

Sr.# Question Answer
1 The diameter of a lens is called.
A. Focal length
B. Principal axis
C. Optical centre
D. Aperture
2 A terrestrial telescope produces
A. An react and real image
B. An inverted and real image
C. An inverted and virtual image
D. An erect and virtual image
3 The ability of eye to focus near as well as distant object is termed as.
A. Myopia
B. Persistence of vision
C. Power of accommodation
D. Astigmatism
4 The line passing symmetrically though the optical center of the lens is.
A. Focal plane
B. Principal focus
C. Principal axis
D. Focal length
5 Power of lens is measured in
A. cm
B. Metres
C. cm-1
D. Dioptres
6 The power of lens in dioptres is
A. Its focal length in meters
B. The reciprocal of its focal length in metres
C. The reciprocal of length in metres
D. The reciprocal of length in centimetres
7 The maximum distance between an object and its real image in case of convex lens is
A. f
B. 2f
C. 2.5 f
D. 4 f
8 Dispersive power of a prism depends upon the wavelength of the light used and is
A. More for large wavelengths
B. Less for large wavelengths
C. More for small wavelengths
D. Less for small wavelengths
9 To obtain is parallel beam from the headlight of a car it must be fitted with.
A. A convex mirror
B. A concave mirror
C. A convex lens
D. A concave lens
10 In a magnifying glass, the objective is placed at a distance
A. Less than the focal
B. Between the focal length and twice the focal length
C. Greater than twice the focal length
D. At the focus of the lens

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