set 10 MCQ Questions & Answers Detailed Explanation

MOST IMPORTANT general science mcq - 16 EXERCISES

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The following question based on light, heat, thermodynamics, wave motion, sound, optics & oscillations topic of general science mcq

Questions : The velocity of sound is maximum in

(a) Liquid

(b) Metal

(c) Air

(d) Vacuum

The correct answers to the above question in:

Answer: (b)

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Read more light heat thermodynamics wave sound optics oscillation Based General Science Questions and Answers

Question : 1

Put in ascending order the speed of sound in the mediums.

  1. Water
  2. Steel
  3. Nitrogen

a) 3, 1, 2

b) 1, 3, 2

c) 3, 2, 1

d) 2, 1, 3

Answer: (a)

Question : 2

Cloudy nights are warmer compared to clear cloudless nights, because clouds

a) Reflect back the heat given off by Earth

b) Produce heat and radiate it towards Earth

c) Prevent cold waves from the sky from descending on Earth

d) Absorb heat from the atmosphere and send it toward Earth

Answer: (a)

Question : 3

Triple point is the temperature at which

a) matter may simultaneously exist in solid and gaseous state.

b) matter may simultaneously exist in liquid and gaseous state.

c) matter may simultaneously exist in liquid and solid state.

d) matter may simultaneously exist in all the three forms.

Answer: (d)

Triple point is the temperature where three states of matter can exist simultaneously.

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