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

Try The MCQ's Test For PPSC Physics Topic 4 Geometrical Optics

  • Total Questions20

  • Time Allowed20

Start Test Download PDF

PPSC Physics Topic 4 Geometrical Optics

00:00
Question # 1

Which is the light sensitive tissue in human eye

Question # 2

The sun appears elliptical before sunset due to

Question # 3

The variation of focal length of a lens when we pass from the central portion to periphery is called.

Question # 4

Which eye defect can be rectified by using diverging lens.

Question # 5

Which of the following is used for reducing spherical aberrations in optical instruments.

Question # 6

Human's eye acts like a

Question # 7

In water drops rainbows are formed by

Question # 8

The dioptre power of concave lens of 10 cm focal length is.

Question # 9

The line passing symmetrically though the optical center of the lens is.

Question # 10

linear magnification is the ratio between the

Question # 11

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

Question # 12

A diverging lens may not have

Question # 13

The power of convex lens of focal length 50 cm will be

Question # 14

When a ray of light travelling in a denser medium enters into a rarer medium.

Question # 15

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 # 16

Which is the branch of medicine that deals with the anatomy physiology and diseases of the eye.

Question # 17

The refractive index of benzenes is 1.5 What is the critical angle of benzene.

Question # 18

When we decrease the diameter of the objective lens of a telescope the resolution of telescope

Question # 19

A simple astronomical telescope consists of two

Question # 20

Light rays after passing through is concave lens.

Submit

Prepare Complete Set Wise PPSC Physics Topic 4 Geometrical Optics MCQs Online With Answers


Top Scorers Of PPSC Physics Topic 4 Geometrical Optics MCQ`s Test

  • M
    Maria Sarfraz 06 - Oct - 2022 01 Min 29 Sec 16/20
  • L
    Laraib Latif 24 - Apr - 2024 06 Min 52 Sec 14/20
  • T
    tanveer hussain 24 - Jul - 2023 11 Min 54 Sec 14/20
  • M
    Muhammad Zeshan 19 - Sep - 2024 10 Min 45 Sec 13/20
  • I
    Irfan Ali 11 - Aug - 2022 06 Min 04 Sec 12/20
  • S
    Shafqat Ullah 24 - Sep - 2024 08 Min 37 Sec 12/20
  • S
    saira ali 26 - Oct - 2022 17 Min 27 Sec 12/20
  • H
    hina bibi 29 - Oct - 2022 03 Min 48 Sec 11/20
  • A
    Ambreen Khan 28 - Jan - 2023 05 Min 48 Sec 11/20
  • F
    faiza arif 15 - Sep - 2022 06 Min 24 Sec 11/20
  • M
    mahnoor javaid 27 - Sep - 2022 02 Min 34 Sec 10/20
  • Q
    Queen Fatima 24 - Jul - 2023 03 Min 29 Sec 10/20
  • U
    Urooj Qadir 15 - Jul - 2024 06 Min 58 Sec 9/20
  • S
    Sajid Ali 27 - Oct - 2022 08 Min 52 Sec 9/20
  • 1
    1740E .MRizwan 25 - Apr - 2023 04 Min 17 Sec 8/20
Sr.# Question Answer
1 A direct vision spectroscope is better than a prism spectrometer because it helps in
A. Observing the spectrum without a source
B. Observing the spectrum perpendicular to a source
C. Observing the spectrum in line with the source
D. all of the above
2 The critical angle will be maximum when light travels from
A. Glass of air
B. Water to air
C. Water to glass
D. Glass to water
3 Which scientist made the fist successful terrestrial measurement of the speed of light
A. Isaac Newton
B. Ole Romer
C. Armand Fizeace
D. Albert Michelson
4 Refractive index of a medium is define das.
A. speed of light in vaccum/speed of light in medium
B. Speed of light in medium/Speed of light in vacuum
C. Speed o flight in air/speed of light in medium
D. Speed of light in medium/Speed of light in air
5 The bending of light when it enters a medium
A. Reflection
B. Refraction
C. Diffraction
D. Total internal reflection
6 the depth of a pond is 4 m What is the apparent depth of the pond if the water level is 3.5 m high. The refractive index of water is 1.33
A. 1.9 m
B. 2.3 m
C. 3.13 m
D. 4.5 m
7 The power of a convex lens is 5 D at what distance the object should be placed from the lens so that its real and 2 times larger image is formed.
A. 25 cm
B. 30 cm
C. 35 cm
D. 40 cm
8 Power of lens is measured in
A. cm
B. Metres
C. cm-1
D. Dioptres
9 A double convex lens acts as diverging lens when the object is.
A. Inside the focus
B. At the focus
C. Between F and 4 F
D. a 4F
10 The variation of focal length of a lens when we pass from the central portion to periphery is called.
A. Coma
B. Astigmatism
C. Spherical aberration
D. Chromatic aberration
11 The sun appears elliptical before sunset due to
A. Reflection
B. Refraction
C. Scattering
D. Total internal reflection
12 Image formed by a concave lens is.
A. Real
B. Magnified
C. Virtual
D. Real and magnified
13 The resolving power of an instrument increases as the wavelength of light used decreases, the magnifying power will
A. Remain the same
B. Increases
C. Decreases
D. Have no relation between the two
14 Which term is used for human eye deflect near sightedness.
A. Myopia
B. Hypermetropia
C. Presbyopia
D. Calaract
15 Spherical aberration can be removed by using
A. Concave lens
B. Convex lens
C. By limiting the number of rays using a stopper
D. By using a concave convex lens
16 The band of colours is called.
A. Spectrum
B. Prism
C. Medley
D. LASER
17 For total internal reflection the light rays enter
A. From rarer to denser medium
B. From, denser to rarer medium
C. Medium of same refractive index
D. At an angle 90 o
18 Two lenses of focal length 'f' are combined the resultant focal length is
A. f
B. 2f
C. f/2
D. zero
19 A convex mirror is used to reflect light from an object placed 66 cm in front of the mirror. The focal length of the mirror is 46 cm Find the location of the image.
A. 23 cm
B. -23 cm
C. -27 cm
D. 27 cm
20 In case of a convex lens when object is placed at 2F image is formed.
A. At
B. 2F
C. away from 2F
D. Between F at and 2 F

Test Questions

Is this page helpful?