The approximate value of the speed of sound in air at 0°C temperature ______...? Mcqs

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The approximate value of the speed of sound in air at 0°C temperature ______...?

(A) 332 m/s
(B) 34 m/s

(C) 17 m/s
(D) 680 m/s

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Study of current and past landscapes formation is known as____________...?

(A) Morphology
(B) Aero logy

(C) Geo-morphology
(D) Biology

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Larva of a bee is also called...?

(A) Egg
(B) Pupa

(C) Adult
(D) Grub

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The correct age of solar system is approximately __________...?

(A) 4.3 Billion years
(B) 4.4 Billion years

(C) 4.5 Billion years
(D) None of these

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Which of the following lens are useful in microscope...?

(A) Convex lens
(B) Concave lens

(C) Curved lens
(D) None of These

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The process of photosynthesis produces glucose and ______...?

(A) Carbon dioxide
(B) Oxygen

(C) Water
(D) Carbo monoxide

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Air Conditioning Controls:___________...?

(A) Circulation of the Air
(B) Humidity

(C) Temperature
(D) All of The Above

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Heat is a form of energy associated with ____...?

(A) Atomic Stability
(B) Molecular Motion

(C) Nuclear Reaction
(D) Electromagnetic Radiation

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Atomic power plant works on the principle of...?

(A) fission
(B) fusion

(C) thermal combustion
(D) combined effect of all the above three

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Water is a highly effective coolant for a car engine because _________...?

(A) Water is good conductor of heat
(B) Water has very high specific heat capacity

(C) Water boils at a comparatively high temperature
(D) Evaporation of water produces lot of cooling

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