Mission SSC CGL 2016 – Quiz – Day 8 – Physics – GK


Hello and welcome to exampundit . Here is the 8th Quiz of the 50 Days Mission SSC CGL 2016 series.

Read the followings carefully and answer


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1. Which of the
following is not explained by the wave nature of light?
A) Reflection
B) Refraction
C) Diffraction
D) Compton effect


2. Light has
A) Wave nature
B) Particle nature
C) Dual nature
D) None


3. Velocity of light
in a medium depends upon its refractive index in the following way:
A) directly
B) indirectly
C) no relation
D) increases and then decreases
4. If an object
travels towards or away from a plane mirror at a certain velocity v , then the
image travels towards or away at a
velocity ______ with respect to the object.
A) V
B) 2v
C) 4v
D) None
5. The light
reflected from moon takes ___seconds to reach earth
A) 499
B) 40
C) 1.28
D) 0.0003×108
6. Which mirror is
used in ophthalmoscope?
A) Concave
B) Convex
C) Plane
D) None
7. Twinkling of stars
is due to
A) Refraction
B) Reflection
C) Diffraction
D) Total internal reflection
8. Secondary rainbow
is formed due to
A) 2 refractions and 1 total internal reflection
B) 2 refractions and 2 total internal reflections
C) 1 refraction and 1 total internal reflection
D) One refraction only
9. Scattering of
light is maximum for ____ color
A) Violet
B) Blue
C) Red
D) Yellow
10. Diverging lens is
used for
A) Myopia
B) Hypermetropia
C) Prysbopia
D) Astigmatism
11. Rods and Cone
cells are responsible for ___ and ___ of light respectively
A) Intensity , colour
B) Colour and intensity
C) Intensity and velocity
D) None
12. Human eye has
______ lens
A) Convex
B) Concave
C) Bifocal
D) Cylindrical
13. Raman effect is
related with
A) Scattering of light
B) Reflection of light
C) Diffraction of light
D) Velocity of light
14. Which of the
following does not show photo electric effect?
A) Potassium
B) Barium
C) Caesium
D) Rubidium
15.______ compares
illuminative power of 2 sources of light
A) Photometer
B) Photonometer
C) Refractometer
D) Tachometer

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