The process of emission of electrons from the hot metal surfaces is called...? Mcqs

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The process of emission of electrons from the hot metal surfaces is called...?

(A) Plastic emission
(B) Thermionic emission

(C) Static emission
(D) Current emission

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Galileo was an Italian astronomer who _________...?

(A) Developed the telescope
(B) Discovered four satellites of Jupiter

(C) Discovered that the movement of pendulum produces a regular time measurement
(D) All of the above

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The tread mills training is prescribed for the injured athlete for the purpose of improving his/her_________...?

(A) Muscle strength
(B) Stability of the body

(C) Range of motion
(D) Muscle endurance

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What is the name of the Active asteroid discovered near Jupiter...?

(A) 2019 Jup1036
(B) 2019 JR10A

(C) 2019 LD2
(D) 2019 AA1

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Transfer of internal energy by collision of particles and movements of electrons within the body is called...?

(A) Conduction
(B) Convection

(C) Radiation
(D) Insulation

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In which of the following, speed of the sound is maximum...?

(A) Gold
(B) Sea water

(C) Air
(D) Space

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What is the weight of the average human brain...?

(A) 1.2 to 1.4 Kg
(B) 1.4 to 1.8 Kg

(C) 2.1 to 2.8 Kg
(D) 3.1 to 3.4 Kg

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Chronometer is invented by________...?

(A) Robert Fulton
(B) Nikola Tesla

(C) Martin Cooper
(D) John Harrison

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Pedosphere is sum of_____________...?

(A) Organisms
(B) Soil and water

(C) Air
(D) All of above

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Proteins are made up of _________...?

(A) Polynucleotide
(B) Polypeptide

(C) Oxyacetylene
(D) None of these

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