The Plot of the Angle of Deviation Vs Angle of Incidence for a Triangular Prism NEET Questions

Physics - Experimental Skills

The Plot of the Angle of Deviation Vs Angle of Incidence for a Triangular Prism MCQ Questions


1.
The angle of deviation of light passing through a triangular prism depends on:
A.
Angle of incidence
B.
Angle of the prism
C.
Wavelength of light
D.
All of the above
😑 View Answer Rough Work Error
ANSWER :
D. All of the above
2.
The angle of deviation is minimum when:
A.
Angle of incidence is zero
B.
The refracted ray is parallel to the base of the prism
C.
Angle of refraction is 90°
D.
The emergent ray is perpendicular to the prism face
😑 View Answer Rough Work Error
ANSWER :
B. The refracted ray is parallel to the base of the prism
3.
The relationship between angle of deviation and angle of incidence is:
A.
Linear
B.
Parabolic
C.
First decreases, then increases
D.
Constant
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ANSWER :
C. First decreases, then increases
4.
The minimum deviation occurs when:
A.
The light passes through the prism symmetrically
B.
The angle of incidence is maximum
C.
The emergent ray is parallel to the incident ray
D.
The refracted ray inside the prism is perpendicular to the base
😑 View Answer Rough Work Error
ANSWER :
A. The light passes through the prism symmetrically
5.
If the refractive index of a prism increases, the minimum deviation:
A.
Increases
B.
Decreases
C.
Remains the same
D.
First increases, then decreases
😑 View Answer Rough Work Error
ANSWER :
A. Increases
6.
The minimum deviation angle is given by the formula:
A.
δmin = 2i - A
B.
δmin = A + i
C.
δmin = 2A + i
D.
δmin = 180° - A
😑 View Answer Rough Work Error
ANSWER :
A. δmin = 2i - A