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 : 21 [IAS (Pre) 2007]

Consider the following statements.

  1. If magenta and yellow coloured circles intersect, the intersected area will have a red colour.
  2. If cyan and magenta coloured circles intersect, the intersected area will have a blue colour.
Which of the statements given above is/are correct?

a) Both 1 and 2

b) Only 2

c) Only 1

d) Neither 1 nor 2

Answer: (a)

Question : 22 [RAS/RTS (Pre) 2013]

FM broadcasting service uses the range of frequency bands between

a) 76-87 MHz

b) 54-75 MHz

c) 109-139 MHz

d) 88-108 MHz

Answer: (d)

Question : 23

Gases exert pressure on the walls of the container because the gas molecules

a) have finite volume

b) possess momentum

c) collide with each other

d) obey gas laws

Answer: (b)

Question : 24 [PSC (Pre) 2018]

Which one of the following statement is not correct?

a) In summer, white or light coloured clothes are preferred to dark coloured clothes generally

b) Concave mirrors are used in searchlights

c) Mirage is an optical illusion arising due to total internal reflection of light

d) Convex mirror with a small aperture is used by doctors to examine, ear, nose or throat of a patient

Answer: (d)

Question : 25 [IAS (Pre) 2008]

Assertion (A):
Radio waves bend in a magnetic field.
Reason (R):
Radio waves are electromagnetic in nature.
Code

a) Both (A) and (R) are true, but (R) is not the correct explanation of (A)

b) (A) is true, but (R) is false

c) Both (A) and (R) are true and (R) is the correct explanation of (A)

d) (A) is false, but (R) is true

Answer: (d)

IMPORTANT general science mcq EXERCISES

set 6 Online Quiz

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1644 light thermodynamics sound optics and oscillations based general science mcq set 6 question answer pdf
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