BITSAT SERIES Physics
Refraction Of Light
7 previous year questions.
Volume: 7 Ques
Yield: Medium
High-Yield Trend
1
2025 1
2018 1
2016 1
2013 1
2011 1
2001 1
1981 Chapter Questions 7 MCQs
01
PYQ 1981
easy
physics ID: bitsat-1
A glass prism of refractive index 1.5 is immersed in water (refractive index 4/3). A light beam incident normally on the face AB is totally reflected to reach the face BC if
1
sin
2
2/3 < sin < 8/9
3
sin < 2/3
4
None of these
02
PYQ 2001
medium
physics ID: bitsat-2
A disc is placed on a surface of pond which has refractive index 5/3. A source of light is placed 4 m below the surface of liquid. The minimum radius of disc needed so that light is not coming out is
1
2
3m
3
6m
4
4m
03
PYQ 2011
medium
physics ID: bitsat-2
A point source of light is placed below the surface of water of refractive index . The minimum diameter of a disc, which should be placed over the source, on the surface of water to cut-off all right coming out of water is
1
infinite
2
6 m
3
4 m
4
3 m
04
PYQ 2013
easy
physics ID: bitsat-2
When light is refracted, which of the following
does not change ?
1
Wavelength
2
Frequency
3
Velocity
4
Amplitude
05
PYQ 2016
medium
physics ID: bitsat-2
For the angle of minimum deviation of a prism to be equal to its refracting angle, the prism must be
made of a material whose refractive index :
1
lies between and
2
lies between 2 and
3
is less then 1
4
is greater then 2
06
PYQ 2018
medium
physics ID: bitsat-2
A point object is placed in front of a glass rod having spherical end of radius of curvature . The image would be formed at .
1
30 cm left
2
infinity
3
1 cm to the right
4
18 cm to the left
07
PYQ 2025
medium
physics ID: bitsat-2
An object is placed in front of a convex lens of focal length . Find the position of the image.
1
2
3
4