set 2 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 colour of light is determined by its

(a) Intensity

(b) Wavelength

(c) Amplitude

(d) Velocity

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

Which one of the following is not electromagnetic in nature?

a) X-rays

b) Cathode-rays

c) Gamma-rays

d) Infrared-rays

Answer: (b)

Question : 2

Thermostat is a device which

a) Measures temperature

b) Automatically regulates the temperature of a system

c) Measures heat

d) Automatically regulates pressure of a system

Answer: (b)

Question : 3

The Sky appears blue due to

a) Blue light is minimum absorbed by atmosphere

b) The red colour is scattered most

c) Blue colour is scattered most

d) Red light is ultimately absorbed by atmosphere

Answer: (c)

Question : 4

The Sun appears red during Sunset

a) Refraction of light

b) Scattering of light

c) Reflection of light

d) Diffraction of light

Answer: (b)

Question : 5

Low temperatures (cryogenics) find application in :

a) surgery, magnetic levitation and telemetry

b) space travel, surgery and magnetic levitation

c) space travel, surgery and telemetry

d) space travel, magnetic levitation and telemetry

Answer: (b)

Question : 6

Velocity of light is maximum in

a) Vacuum

b) Water

c) Diamond

d) Hydrogen

Answer: (a)

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