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 [UPPCS (Pre) 2007]

Which of the following statements is not true?

a) Air-conditioner and Air-cooler both maintain humidity

b) Air-conditioner maintains humidity but Air-cooler does not maintain humidity

c) Air-conditioner and Air-cooler both maintain temperature

d) Both control motion of air

Answer: (a)

Question : 2 [RAS/RTS (Pre) 1995]

The most important function of perspiration is to

a) Regulate body water supply

b) Get rid of body poison

c) Regulate body temperature

d) Keep the skin pores clear of dirt

Answer: (c)

Question : 3

Which of the following qualities are useful for a cooking utensil?

a) Low specific heat and low thermal conductivity

b) High specific heat and high thermal conductivity

c) High specific heat and low thermal conductivity

d) Low specific heat and high thermal conductivity

Answer: (d)

A cooking utensil must heat up quickly and must transmit heat rapidly. Hence, it must have low specific heat and high thermal conductivity.

Question : 4 [IAS (Pre) 2002]

Consider the following natural phenomena.

  1. Terrestrial heating
  2. Reflection of light
  3. Refraction of light
  4. Diffraction of light
Due to which of these phenomena is mirage formed?

a) 1 and 3

b) 2, 3 and 4

c) 1 and 2

d) Only 4

Answer: (a)

Question : 5 [RAS/RTS (Pre) 1998]

Which one of the following is used for determining the structure of crystal?

a) UV rays

b) X-rays

c) Gamma rays

d) Visible lights

Answer: (b)

IMPORTANT general science mcq EXERCISES

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1654 heat wave motion sound optics oscillations based general science mcq set 16 question answer pdf
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