light, heat, thermodynamics, wave motion, sound, optics & oscillations - Category wise Question and Answer Practice Test with Solutions

light, heat, thermodynamics, wave motion, sound, optics & oscillations PRACTICE TEST [16 - EXERCISES]

set 1

set 2

set 3

set 4

set 5

set 6

set 7

set 8

set 9

set 10

set 11

set 12

set 13

set 14

set 15

set 16

Question : 1

The sun is seen before the actual sunrise because of

a) scattering of light

b) reflection

c) refraction

d) rectilinear propagation of light

Answer: (c)

Question : 2

At 0°C a body emits

a) only microwave radiation

b) no radiation

c) only visible light

d) all wavelengths.

Answer: (d)

At any temperature other than zero K, each body emits all wavelengths.

Question : 3 [UPPCS (Pre) 2015]

Blue colour of the sky is due to

a) Interference of light

b) Dispersion of light

c) Scattering of light

d) Emission of more blue light as compared to other colours by the Sun

Answer: (c)

Question : 4 [MPPCS (Pre) 2005]

Three colours are the primary colours. These are

a) Yellow, Green and Red

b) Blue, Green and Red

c) Blue, Yellow and Red

d) Blue, Yellow and Red

Answer: (b)

Question : 5 [UPPCS (Pre) 2011]

Retina of the eye is comparable to which of the following parts of a traditional camera?

a) Shutter

b) Lens

c) Film

d) Cover

Answer: (c)

IMPORTANT general science mcq EXERCISES

set 15 Online Quiz

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1653 heat wave motion sound optics oscillations based general science mcq set 15 question answer pdf
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