Which one of the following waves are used by the common TV remote control...? Mcqs

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Which one of the following waves are used by the common TV remote control...?

(A) Radio waves
(B) Lasers

(C) Infrared waves
(D) Ultrasonic waves

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An atom has the same number of _____...?

(A) Electrons and Neutrons
(B) Protons and Neutrons

(C) Electrons and Protons
(D) Neutrons and Molecules

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The large plates of solar pannels are painted...?

(A) Red
(B) White

(C) Yellow
(D) Black

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The Sun has temperature of around 6,000 °C and glows ____...?

(A) Red
(B) Blue

(C) Green
(D) Orange/Yellow

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The cathode ray carry ______...?

(A) Positive charge
(B) Neutral

(C) Negative charge
(D) Positrons

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The human brain uses__________ percent of the total oxygen and blood in the body...?

(A) 20
(B) 12

(C) 35
(D) 48

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What is the most abundant form of matter in the universe...?

(A) Plasma
(B) Liquid

(C) Gas
(D) Solid

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Which statement is true about the magnetic poles...?

(A) Unlike poles repel
(B) Like poles attract

(C) Magnetic poles do not effect each other
(D) A single magnetic pole does not exist

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In Astronomy, what are Pallas, Vesta and Davida...?

(A) Stars
(B) Comets

(C) Asteroids
(D) None of these

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Bile is manufactured and stored by which organ...?

(A) Stomach
(B) Pancreas

(C) Liver
(D) Gallbladder

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