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

Latest MCQs

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

(A) Audio sounds
(B) Infrasonic

(C) Ultrasonic
(D) Supersonics

Latest MCQs

If proton number is 19, electron configuration will be ______...?

(A) 2, 8, 9
(B) 2, 8, 8, 1

(C) 2, 8, 1
(D) 2, 8, 3

Latest MCQs

Washing machine is working on the principle of...?

(A) Photoelectric effect
(B) Electric-magnetic induction

(C) Centrifugation
(D) None of these

Latest MCQs

Oxygen belongs to group VIA so number of electrons in its valence shell are _____...?

(A) 3
(B) 4

(C) 5
(D) 6

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Which one of the following is a polysaccharide...?

(A) Fructose
(B) Maltose

(C) Starch
(D) N.O.T

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The soul of chemistry is dealing with___________...?

(A) Internal structural changes in matter
(B) Composition of matter

(C) Properties of matter
(D) Composition and properties of matter

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The continuous flow of electrons is made possible by a device called...?

(A) Cathode
(B) Electron gun

(C) Anode
(D) Filament

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The earth is part of a galaxy called...?

(A) Andromeda Galaxy
(B) Triangulum Galaxy

(C) Milky Way Galaxy
(D) Pinwheel Galaxy

Latest MCQs

Bond which involve 3 shared electron pairs is a ______...?

(A) Double covalent bond
(B) Single covalent bond

(C) Triple covalent bond
(D) None of above

Latest MCQs

The radioactive isotopes are formed by neutrons bombardment on the nucleus, these incident neutrons must have ___ to penetrate in the nucleus....?

(A) Very high velocity
(B) Very low velocity

(C) Intermediate velocity
(D) All of these

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