NEET-UG SERIES Physics
Wave Optics
16 previous year questions.
Volume: 16 Ques
Yield: Medium
High-Yield Trend
3
2024 1
2020 1
2019 1
2017 2
2016 1
2015 1
2014 1
2013 1
2004 1
2002 2
2001 1
2000 Chapter Questions 16 MCQs
01
PYQ 2000
hard
physics ID: neet-ug-
Rainbow is formed due to:
1
Scattering & refraction
2
Total internal reflection & dispersion
3
Reflection only
4
Diffraction and dispersion
02
PYQ 2001
medium
physics ID: neet-ug-
A ray of light travelling in air have wavelength , frequency n , velocity v and intensity I. If this ray enters into water then these parameters are ' n ' , v ' and I' respectively. Which relation is correct from following?
1
2
n=n '
3
v=v'
4
I = I'
03
PYQ 2001
easy
physics ID: neet-ug-
The interplaner distance in a crystal is 2.8 × 10-8 m. The value of maximum wavelength which can be diffracted : -
1
2.8 × 10-8 m
2
5.6 × 10-8 m
3
1.4 × 10-8 m
4
7.6 × 10-8 m
04
PYQ 2002
medium
physics ID: neet-ug-
Diameter of human eye lens is 2 mm. What will be the minimum distance between two points to resolve them, which are situated at a distance of 50 meter from eye.The wavelength of light is 5000 Å
1
2.32 m
2
4.28 mm
3
1.25 cm
4
12.48 cm
05
PYQ 2004
medium
physics ID: neet-ug-
A telescope has an objective lens of diameter and is situated at a distance of one kilometre from two objects. The minimum distance between these two objects, which can be resolved by the telescope, when the mean wavelength of light is 5000, is of the order of
1
0.5 m
2
5m
3
5 mm
4
5 cm
06
PYQ 2013
medium
physics ID: neet-ug-
In Young's double slit experiment, the slits are 2mm apart and are illuminated by photons of two wavelengths and At what minimum distance from the common central bright fringe on the screen 2m from the slit will a bright fringe from one interference pattern coincide with a bright fringe from the other ?
1
3 mm
2
8 mm
3
6 mm
4
4 mm
07
PYQ 2014
medium
physics ID: neet-ug-
In the Young's double slit experiment, the intensity of light at a point on the screen where the path difference is K,( being the wavelength of light used). The intensity at a point where the path difference is will be
1
K
2
K/4
3
K/2
4
zero
08
PYQ 2015
medium
physics ID: neet-ug-
At the first minimum adjacent to the central maximum of a single-slit diffraction pattern, the phase difference between the Huygen's wavelet from the edge of the slit and the wavelet from the midpoint of the slit is
1
2
3
4
09
PYQ 2016
medium
physics ID: neet-ug-
In a diffraction pattern due to a single slit of width 'a', the first minimum is observed at an angle when light of wavelength is incident on the slit. The first secondary maximum is observed at an angle of :
1
2
3
4
10
PYQ 2016
hard
physics ID: neet-ug-
A linear aperture whose width is is placed immediately in front of a lens of focal length . The aperture is illuminated normally by a parallel beam of wavelength . The distance of the first dark band of the diffraction pattern from the centre of the screen is
1
0.10 cm
2
0.25 cm
3
0.20 cm
4
0.15 cm
11
PYQ 2017
medium
physics ID: neet-ug-
Young's double slit experment is first performed in air and then in a medium other than air. It is found that bright fringe in the medium lies where dark fringe lies in air. The refractive index of the medium is nearly :
1
1.59
2
1.69
3
1.78
4
1.25
12
PYQ 2019
easy
physics ID: neet-ug-
In a Young' double slit experiment. if there is no initial phase difference between the light from the two slits, a point on the screen corresponding to the fifth minimum has path difference.
13
PYQ 2020
easy
physics ID: neet-ug-
The Brewsters angle for an interface should be:
1
2
3
4
14
PYQ 2024
medium
physics ID: neet-ug-
A beam of unpolarized light of intensity I0 is passed through a polaroid A, then through another polaroid B, oriented at 60º and finally through another polaroid C, oriented at 45º relative to B as shown. The intensity of emergent light is:
1
2
3
4
15
PYQ 2024
easy
physics ID: neet-ug-
Interference pattern can be observed due to superposition of the following waves:
A. B.
C. D.
Choose the correct answer from the options given below.
A. B.
C. D.
Choose the correct answer from the options given below.
1
B and C
2
B and D
3
A and C
4
A and B
16
PYQ 2024
medium
physics ID: neet-ug-
Two slits in Young’s double slit experiment are 1.5 mm apart and the screen is placed at a distance of 1 m from the slits. If the wavelength of light used is , then the fringe separation is:
1
2
3
4