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# Physics Quiz For KVS/NVS 2016 Exam

1. If the angle of incidence, θi = 0°, the angle of reflection, θr = ________.
A. 0°
B. 90°
C. 180°
D. 45°

2. Total internal reflection will occur if the angle of reflection is…
A. 45°
B. 60°
C. 90°
D. 99°

3. The refractive index of a rarer medium with respect to a denser medium is…
A. 1
B. greater than 1
C. smaller than 1
D. negative

4. The refractive index of a denser medium with respect to a rarer medium is…
A. 1
B. greater than 1
C. smaller than 1
D. negative

5. The image formed by a plane mirror is ______.
A. real
B. diminished
C. enlarged
D. laterally inverted

6. Absolute refractive index of any medium is always _______.
A. 1
B. > 1
C. < 1
D. 0

7. Which of the following has the highest refractive index?
A. Glass
B. Water
C. Pearl
D. Diamond

8. No matter how far is the object from the mirror, the image of the object appears erect. The mirror is ________.
A. concave
B. convex
C. either concave or convex
D. none of these

9. For a plane mirror, magnification (m)=________
A. 0
B. 1
C. ± 1
D. ≤ 0

10. We can see objects because of which phenomena?
A. reflection
B. refraction
C. transmission
D. diffraction