Reflection and Refraction, Spherical Mirrors and Lenses NDA Questions

NDA Physics

Reflection and Refraction, Spherical Mirrors and Lenses MCQ Questions


13.
Which of the following surfaces produces a diffuse reflection?
A.
Smooth surface
B.
Polished surface
C.
Rough surface
D.
None of the above
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ANSWER :
C. Rough surface
14.
What is the law of reflection?
A.
Angle of reflection = Angle of refraction
B.
Angle of incidence = Angle of reflection
C.
Angle of incidence = Angle of refraction
D.
None of the above
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ANSWER :
B. Angle of incidence = Angle of reflection
15.
What is rectilinear propagation of light?
A.
Bending of light
B.
Reflection of light
C.
Light traveling in straight lines
D.
Diffusion of light
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ANSWER :
C. Light traveling in straight lines
16.
Which of the following demonstrates rectilinear propagation of light?
A.
Mirror reflection
B.
Shadow formation
C.
Lens focusing
D.
Refraction in water
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ANSWER :
B. Shadow formation
17.
What causes a shadow to form?
A.
Reflection of light
B.
Refraction of light
C.
Absorption of light
D.
Rectilinear propagation of light
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ANSWER :
D. Rectilinear propagation of light
18.
Which phenomenon does not support the rectilinear propagation of light?
A.
Formation of a shadow
B.
Solar eclipse
C.
Light passing through a prism
D.
Pin-hole camera image formation
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ANSWER :
C. Light passing through a prism