Atmospheric pressure is calculated by the ____...? Mcqs

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Atmospheric pressure is calculated by the ____...?

(A) Height of water column in a pipette
(B) Volume of gas in a cylinder

(C) Resistance in an electric circuit
(D) Height of mercury column in barometer

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Vector of Kala-azar disease is___________...?

(A) Sandfly
(B) Dragonfly

(C) Mosquito
(D) Housefly

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Which substance expands the most; for the same rise in temperature...?

(A) Water
(B) Air

(C) Copper
(D) Class

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An ordinary mobile phone communicate by using___________...?

(A) Sound waves
(B) Infrared waves

(C) UV waves
(D) Radio waves

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Symbol of Iron is__________...?

(A) Na
(B) Fr

(C) Fe
(D) Zn

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Dyne is the unit of...?

(A) Force
(B) Pressure

(C) Velocity
(D) Momentum

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Radioactivity was discovered by __________...?

(A) Kelvin
(B) Thomson

(C) Rutherford
(D) Bacquerel

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Rate of evaporation of a liquid can be increased by _____...?

(A) Increasing humidity
(B) Decreasing temperature

(C) Increasing its boiling point
(D) Decreasing atmospheric pressure

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When one atom forms cation by losing electron and other forms anion by accepting that electron then bond form between them is ______...?

(A) Covalent bond
(B) Ionic bond

(C) Coordinate covalent bond
(D) Hydrogen bond

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A body can escape the gravitational pull of the earth if it is thrown up with a velocity of ________ miles/second ...?

(A) 35
(B) 25

(C) 12
(D) 07

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