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


7.
Snell's law of refraction states:
A.
n₁ + n₂ = sin θ₁ + sin θ₂
B.
n₁ × n₂ = sin θ₁/sin θ₂
C.
n₁ sin θ₁ = n₂ sin θ₂
D.
n₁ - n₂ = sin θ₁ - sin θ₂
😑 View Answer Rough Work Error
ANSWER :
C. n₁ sin θ₁ = n₂ sin θ₂
8.
The refractive index n of a medium is defined as:
A.
n = sin θ/cos θ
B.
n = c + v
C.
n = speed of light in vacuum / speed of light in medium = c/v
D.
n = c × v
😑 View Answer Rough Work Error
ANSWER :
C. n = speed of light in vacuum / speed of light in medium = c/v
9.
The refractive index of typical crown glass is approximately:
A.
1.5
B.
2.5
C.
1.0
D.
0.5
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ANSWER :
A. 1.5
10.
If light enters a prism perpendicular to the first surface (i = 0), the:
A.
Light is reflected entirely
B.
Light is absorbed
C.
Light passes straight through, refracts only at the second surface
D.
Light bends sharply at first surface
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ANSWER :
C. Light passes straight through, refracts only at the second surface
11.
In a prism setup, the angles labelled are typically:
A.
Two angles only
B.
Just one angle
C.
Random angles
D.
Angle of incidence (i₁), angle of refraction (r₁), second angle of refraction (r₂), angle of emergence (i₂)
😑 View Answer Rough Work Error
ANSWER :
D. Angle of incidence (i₁), angle of refraction (r₁), second angle of refraction (r₂), angle of emergence (i₂)
12.
In a prism, the relation among angles r₁, r₂, and the prism angle A is:
A.
A = r₁/r₂
B.
A = r₁ × r₂
C.
A = r₁ - r₂
D.
A = r₁ + r₂
😑 View Answer Rough Work Error
ANSWER :
D. A = r₁ + r₂