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11TH CLASS PHYSICS CHAPTER NO.9 PHYSICAL OPTICS Test No.1 MCQs

Physics 1st Year MCQs Chapter No. 9 Physical Optics Test No. 1, FSc, Grade 11, First Year Multiple Choice Questions, Medical College ( MDCAT ) , ECAT & University Admission Entry Test Exams Online Preparation, Chapter Wise Questions Answers Notes in Pdf, All Old Board Papers included, All Queries reply within 24 Hours. Click here to Contact us for any Query/Question regarding Exams.

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PHYSICS 
Chapter Name : PHYSICAL OPTICS
Chapter No. 9  [ Test No. 1 ]
1st Year
Multiple Choice Questions
Note : All MCQ’s selected in this test are from OLD F.Sc. board , UHS and PMC(Pakistan Medical Commission) Islamabad 5-Years Papers.
 








Book Name :  PHYSICS
Chapter No. 9 ( Test No. 1 )
Chapter Name : PHYSICAL OPTICS 
Total MCQ from Text Book/Board/UHS/PMC Papers :  39
Book Version  :
2022

Published By : Punjab Text Book Board Lahore
Approved By : Govt of the Punjab and Federal Ministry for Education
Test Type : MCQ’s
Exam conduct By : Inter Boards of Sindh, KPK, Balochistan, AJK, Gilgit Baltistan, Punjab & Federal
Class / Grade  : 11 ( F.Sc. Intermediate)
Total Marks : 39
Total Time :   39 minutes
5

Grade 11 - Physics - Chapter 9 - PHYSICAL OPTICS - Test No. 1

Grade 11 - Physics - Chapter 9 - PHYSICAL OPTICS - Test No. 1

1 / 39

In interferometer, shifting of one bright fringe to next by displacing the mirror. (DGK 2018 GII)

2 / 39

Light from sun reaches the earth in the form of (FSD 2012)

3 / 39

The center of Newtons rings is dark due to (RWP 2015)

4 / 39

Constructive interference of two coherent beams is obtained if path difference is:(DGKHAN 2010 GI)

5 / 39

When a ray of light enters from denser into a rare medium, wavelength of light ray will: (FSD 2016)

6 / 39

When the mirror of Michelson Interferometer is moved a distance of 0.5 nm, 2000 fringes are observed, the wavelength of the light is used as (LHR 2014)

7 / 39

In Young's double slit experiment, the position for bright fringe is:(FSD 2017)

8 / 39

The phase difference between two points on wave front is (RWP, SWL 2014)(BWP 2018)

9 / 39

Angle between the ray of light and the wave front is (LHR 2015 GII, 2018 GII) (SGD 2015 GI, 2018 GI & G11) (GRW 2017) (BWP 2018 G11) (MTN 2018)

10 / 39

when the sunlight passes through atmosphere, the total energy is reduced due to (GRW 2015)

11 / 39

Angle between ray of light and wave front is: (FSD 2019 G I)

12 / 39

In a Michelson Interformerter by moving the mirror through a distance of λ/4, the path difference change (GRW 2019 GI)

13 / 39

Soap film shoes colour due to: (RWP 2019 GI)

14 / 39

Which of the following device works on the principle of interference of light will be (MTH 2014) (DGK, LHR 2017)

15 / 39

In case of point source, shape of the wavefront is: (MTN 2019 G I)

16 / 39

Fringe spacing increases if we use: (LHR 2019 GII)

17 / 39

The fringe spacing increases if we use (FSD 2015)

18 / 39

In a Michelson interferometer by moving the mirror through a distance of ?J4. The path difference changes by: (DGK 2018 GI)

19 / 39

The blue colour of sky is due to: (MTN 2015 GROUP I, LHR 2013 GII)

20 / 39

Light energy from a luminous source travels is space as wave was proposed by; (MIRPUR (KASHMIR) 16) (GRW 2017)

21 / 39

The path difference between two scattered waves from top and bottom of thin film does not depend upon (AJK 2019 GI)

22 / 39

The distance between the two consecutive wave fronts is called (LHR, RWP 2010)

23 / 39

Diffraction is special type of (SGD 2016 G11) (MTN 2016 GI) (GRW 2015)

24 / 39

Bending of light around the edges of an obstacle called (LIM 2015 GI)

25 / 39

The equation of Michelson's Interferometer is (BWP 2012) (GRW 2013)

26 / 39

Intensity of light depends on: (LHR G II2018)

27 / 39

According to Huygen's principle, each point on a wave front acts as a source of: (LHR 2017 G II)

28 / 39

For which of the following colours will the fringe width be minimum in the double slit experiment. (GRW 2019 GII)

29 / 39

Branch of physics which deals with the light energy (FSD 2009)

30 / 39

What happens to interference -pattern produced by double slit arrangement by doubling the slit spacing (GRW 2014)

31 / 39

In case of point source the shape of wave front is (FSD 2014) (DGK 2018 G II)

32 / 39

Brilliant and beautiful colors in soap are due to (LHR 2015) (FSD 2018)

33 / 39

In Young's double slit experiment, the fringe spacing is equal to: (FSD 2019 GII)

34 / 39

When a mirror of Michelson interferometer is moved a distance of 0.5 mm, then 2000 frings are observed, the wavelgnth of light used is (SWL 2019 GI)

35 / 39

In Michelson interferometer to switch the fringe from bright to dark, the mirror should be displaced by: (LHR 201(3 GIl)

36 / 39

When Newton's rings are observed with reflected light, the central spot is (SGD 2015 G11 ,2013 G11)

37 / 39

Fringe spacing increases if we use: (RWP 2019 GI)

38 / 39

The distance b/w the two adjacent fringes is (RWP 2016) (GRW. LHR 2016) (SWL 2018)

39 / 39

A maxima is produced at points where the path difference for two monochromatic waves is (MTN 2009)

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