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Chapter No. 9  [ Test No. 2 ]
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 10-Years Papers.




Book Name :  PHYSICS
Chapter No. 9 ( Test No. 2 )
Total MCQ from Text Book/Board/UHS/PMC Papers :  38
Book Version  :

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 : 38
Total Time :   38 minutes

Grade 11 - Physics - Chapter 9 - PHYSICAL OPTICS - Test No. 2

Grade 11 - Physics - Chapter 9 - PHYSICAL OPTICS - Test No. 2

1 / 38

Sodium chloride in a flame gives out (BWP, RWP 2010)

2 / 38

What is the order of wavelength of x-rays: (UHS 2011)

3 / 38

Which phenomenon proves that light waves are transverse in nature: (SWL, DGK 2015) (AJK 2018)

4 / 38

Optically active crystals rotates the (DGK 2016 GII)

5 / 38

White light is directed at a diffraction grating at an angle normal to the grating. Starting at the normal to the grating (0), the order of red, green and blue lights in the diffracted spectrum is: (UET 2016)

6 / 38

Under which of the conditions will the fringe separation of a double slit interference pattern be at a maximum? (UET 2018)

7 / 38

For bright fringe formation the path difference is: (UHS 2016)

8 / 38

If the un polarized light is made incident on sheet of polaroid, the transmitted beam of light will be (SGD 2013)

9 / 38

2dsinθ = nλ is called (LHR 2015)

10 / 38

The distance between two bright or two dark adjacent fringes is mathematically written as: (UHS 2015)

11 / 38

Where 'm' is an integer, then first dark fringe appears for 'm' will be equal to: (UHS 2016)

12 / 38

Michelson interferometer can be used to find the: (RWP 2017)

13 / 38

Light is polarized by using: (AJK 2017)

14 / 38

Which is not Optically Active: (BWP 2018 GI)

15 / 38

The process of confining the beam of light to vibrate in one plane called (LHR 2014)

16 / 38

The lines of a diffraction grating have a spacing of 1.2 gm. When a beam of monochromatic light is incident normally on the grating, the first order maximum makes an angle of 300 with the normal to diffraction grating. The wavelength of the monochromatic light is: (UET 2016)

17 / 38

In the diffraction of light round an obstacle, the angle of diffraction is increased when: (UHS 2013)

18 / 38

If 'N' is number of lines ruled on the grating having length "L" then grating element "d" is given by (SGD 2017)

19 / 38

The wavelength of X-Rays is of the order (BWP 2015) (GRW 2014) (SWL 2016)

20 / 38

A diffraction grating has 5000 lines/cm its grating element will be (DGK, BWP 2018 GII)

21 / 38

Which phenomena shows that light is transverse in nature (LHR 2017 GI) (SWL 2015, 2018)

22 / 38

What is the-formula for critical angle in case of light through two mediums having refractive indexes n1 and n2 such that n1 > n2? (UHS 2013)

23 / 38

optical rotation, a property of optically active substances can be used to determine their: (MTN 2012)

24 / 38

Bending of light around the edges of an obstacle is called (DGK 2019 GI)

25 / 38

The distance between atoms is 0.30 nm. What will be wavelength of X-rays at angle θ = 30°ree; for l't order diffraction? (UHS 2014)

26 / 38

For interference of light waves to take place, the required condition is: (UHS 2011)

27 / 38

A diffraction grating has 500 lines per mm, its grating element d is equal to: (UHS 2018)

28 / 38

Which one of the following cannot be polarized: (RWP 2018)

29 / 38

Mathematical formula .of maximum velocity (V0) for a body executing simple harmonic motion is: (UHS 2015)

30 / 38

The property of bending of light around an obstacle and spreading of light waves into geometric shadow of an obstacle is called:

31 / 38

Polarization proves that light waves are: (BWP 2019 GI)

32 / 38

Bragg's equation is: (LHR 2019 GI)

33 / 38

Which of the following can not produce colours with white light? (SGD 2019 GI)

34 / 38

Which of the following waves can not be polarized (SGD 2019 GII)

35 / 38

Polarization of light exhibited the nature of light as: (UHS 2012)

36 / 38

The property, of the substances by which their concentration in solutions can be found is: (MTN 2019 GII)

37 / 38

X-ray diffraction has been very useful In determining the structure of (SGD 2018 GII)

38 / 38

An oil film floating on water surface exhibits colour pattern due to phenomenon of: (UHS 2014)

Your score is

The average score is 38%








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