A ball thrown vertically upwards, on reaching its highest point its value of acceleration due to gravity would be...? Mcqs

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A ball thrown vertically upwards, on reaching its highest point its value of acceleration due to gravity would be...?

(A) 9.8 m/s downwards
(B) 9.8 m/s upwards

(C) 0.8 m/s vertical
(D) None of these

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The theory about the beginning of the universe by a huge explosion is called...?

(A) Binary
(B) Black Hole

(C) Big Bang
(D) Steady State

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In the atmosphere, if the temperature is low then the pressure is ____...?

(A) Low
(B) High

(C) Normal
(D) All of these

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Ozone layer protect us from the harmful _______ of the Sun....?

(A) Heat
(B) Cold

(C) Ultraviolet rays
(D) None of these

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Which of the following are the primary colors of light...?

(A) Red, Green & Blue
(B) Blue, Red & Orange

(C) Yellow, Red & Green
(D) None of these

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Why is the Ozone important for mankind...?

(A) Protection from ultraviolet rays of sun
(B) It releases oxygen in the air

(C) It maintains temperature of the earth
(D) It releases hydrogen in the atmosphere

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The first Canadian woman in space was...?

(A) Roberta Bonder
(B) Dirk Fremont

(C) Roberta Bondar
(D) marc Garneau

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The energy generation in starts is due to ...?

(A) Fission of heavy nuclei
(B) Fusion of light nuclei

(C) Fusion of heavy nuclei
(D) None of these

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Every action has reaction which are equal but in opposite direction, This law is called...?

(A) Newton's First Law of motion
(B) Newton's Second Law of motion

(C) Newton's Third Law of motion
(D) None of these

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Rainfall is measured using a...?

(A) Salinometer
(B) Rainoscope

(C) Rain gauge
(D) Rainometer

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