ECAT Pre Engineering Physics Chapter 9 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 9 Physical Optics

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 9 Physical Optics

  • Total Questions15

  • Time Allowed20

Start Test Download PDF

Physics ECAT Pre Engineering Chapter 9 Physical Optics

00:00
Question # 1

A magnifier gives an image which is:

Question # 2

The magnifier forms a virtual image of the object at:

Question # 3

Huygen principle is used to determine:

Question # 4

For the virtual image, option _______ is not correct:

Question # 5

The superposition of the two waves of same frequency and amplitude travelling in the same direction gives to an effect called

Question # 6

In the formula R = N x m for diffraction grating, N denotes:

Question # 7

How is the image formed by a convex lens affected if the upper half of the lens is covered with a paper:

Question # 8

Which one the following gives three regions of electromagnetic spectrum in order of increasing wavelength?

Question # 9

The velocity of light in vacuum can be changed by changing

Question # 10

In YDS experiment, fringe spacing means the distance between two consecutive ____fringes.

Question # 11

The distance from eye to near point is taken as:

Question # 12

Resolving power in mth order diffraction for grating is given by:

Question # 13

To see the minor details of the object by microscope, it should have:

Question # 14

A ray passing through optical center of a lens, after refraction:

Question # 15

A virtual image is formed when object is placed:

Submit

Prepare Complete Set Wise Physics ECAT Pre Engineering Chapter 9 Physical Optics MCQs Online With Answers


Topic Test

00:00
Submit

Top Scorers Of Physics ECAT Pre Engineering Chapter 9 Physical Optics MCQ`s Test

  • F
    Farzand Shah Farzand Shah 17 - Apr - 2024 01 Min 00 Sec 60/60
  • D
    Deuspeu 25 - Sep - 2024 01 Min 40 Sec 60/60
  • U
    Umarkhan35429@gmail.com Khan 04 - May - 2024 05 Min 00 Sec 60/60
  • H
    Haq Nawaz 16 - May - 2024 02 Min 31 Sec 55/60
  • M
    M Saifullah 20 - Jul - 2024 04 Min 06 Sec 55/60
  • D
    Danish Mehmood Awan 08 - Mar - 2024 04 Min 25 Sec 55/60
  • M
    moeez farooq 06 - Mar - 2024 43 Min 27 Sec 55/60
  • M
    M Umer Arain 10 - Nov - 2024 00 Min 15 Sec 50/60
  • A
    Adan Zahra 14 - Mar - 2024 01 Min 22 Sec 50/60
  • H
    Huzaifa Asim 25 - May - 2024 01 Min 32 Sec 50/60
  • A
    Arian Ahmed 06 - Mar - 2024 00 Min 03 Sec 45/60
  • A
    afzal ibrahim 06 - Mar - 2024 01 Min 55 Sec 45/60
  • A
    Ayesha Sohail 03 - Jun - 2024 03 Min 04 Sec 45/60
  • A
    Alishba Dabeer 02 - Jun - 2024 03 Min 25 Sec 45/60
  • T
    Tamshi Sohail 21 - Apr - 2024 06 Min 48 Sec 45/60

ECAT Physics Chapter 9 Important MCQ's

Sr.# Question Answer
1 Light has:
A. Wave nature
B. Particle nature
C. Dual nature
D. None of these
2 The image of an object 5 mm length is only 1 cm high. The magnification produced by lens is:
A. 1
B. 0.2
C. 2
D. 0.1
3 If the focal length of the convex lens is 5 cm, then to get the real and inverted image of the same size as that of object, the object should be placed at:
A. 5 cm
B. 20 cm
C. 10 cm
D. 15 cm
4 Huygen principle is used to determine:
A. Speed of light
B. Location of wavefront
C. About polarized or unpolarized light
D. None of them
5 If the object is placed at 12 cm distance from a convex lens of focal length 6 cm, then we get an image of ____ as that of object:
A. Double the size
B. Same size
C. Half the size
D. None of these
6 The ratio of the size of the image to that of object is called:
A. Focal length
B. Aperture
C. Linear magnification
D. Principal axis
7 Huygen's principles states that:
A. Light has dual nature
B. Either of these
C. None of these
D. Light travels in straigth line
8 Resolving power in mth order diffraction for grating is given by:
A. R = N/m
B. R = m/N
C. R = N x m
D. None of these
9 The locus of all points in a medium having same phase of vibration is called
A. Crest
B. Trough
C. Wavelength
D. Wave-front
10 The terms phase difference and path difference are:
A. Same
B. Different
C. Equal
D. None of these

Test Questions