What do we call when the sound of frequency will be below 20 Hz...? Mcqs

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What do we call when the sound of frequency will be below 20 Hz...?

(A) Audio sounds
(B) Infrasonic

(C) Ultrasonic
(D) Supersonics

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Latest MCQs

Which mineral is required in a lesser amount for body function and is also part of bones...?

(A) Calcium
(B) Phosphorus

(C) Potassium
(D) Magnesium

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Latest MCQs

Among the following, which group of food help our body grow and repair tissues and muscles...?

(A) Carbohydrates
(B) Vitamins

(C) Proteins
(D) Minerals

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There are many different types of frozen water on Earth. Collectively, they are known as the: ___________...?

(A) Hydrosphere
(B) Cryosphere

(C) Frigid Zone
(D) Biosphere

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Water covers __________ of the Earth’s surface...?

(A) 61%
(B) 67%

(C) 71%
(D) 76%

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Which of the following waves have smallest velocity in vacuum...?

(A) Ultraviolet
(B) Sound

(C) Infra-Red
(D) Micro

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The male gonads in rabbit are ______...?

(A) Testis
(B) Ovaries

(C) Scrotal sac
(D) Vas deferens

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Sodium carbonate is produced by____________...?

(A) haber process
(B) Amonia solvay process

(C) decons process
(D) lead chamber process

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Which colour of light is deviated least ________....?

(A) Red
(B) Blue

(C) Violet
(D) Green

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The reaction between Acid and basin to form...?

(A) Salt and water
(B) Acid solution

(C) base solution
(D) Water

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