Rainbow is seen after rain because of hanging molecules of water which act as __________...? Mcqs

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Rainbow is seen after rain because of hanging molecules of water which act as __________...?

(A) Lens
(B) Prism

(C) Mirror
(D) Slabs

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The matter that sound travels through is called the...?

(A) Frequency
(B) Medium

(C) Amplitude
(D) Vibration

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Following are the constituent of polluted air cause of Acid rain except...?

(A) Argon
(B) Nitrogen

(C) Sulphur dioxide
(D) Oxygen

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In the atmosphere, if the temperature is low then the pressure is _________...?

(A) Low
(B) High

(C) Normal
(D) All of these

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Frozen dew is also known as________...?

(A) Frost
(B) Black ice

(C) Frozen ice
(D) Black hail

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The season changes because of the ____________...?

(A) Moon is revolving round the earth
(B) Earth is revolving round its axis

(C) Earth is revolving round the sun
(D) Planet Mars is attracting the sun

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Vertical columns in the periodic table of elements are called as__________...?

(A) Periods
(B) Groups

(C) Rows
(D) Lanthanoids series

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What is the range, in hertz, of the normal human hearing...?

(A) 10 Hz to 10 kHz
(B) 20 Hz to 20 kHz

(C) 2000Hz
(D) 40 Hz to 40 kHz

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Parkinson is a disease of____________...?

(A) Eyes
(B) Brain

(C) Heart
(D) Lungs

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Velometer is used to measure...?

(A) Rain
(B) Speed of Air

(C) Wind pressure
(D) Heat

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