ICSE/ISC Std 8 Study Materials, Online Learning, Question Papers, Classnotes, Practice Test, MCQ | Smartindia Educational Program : www.smartindia.net.in

Question-1
pick out correct expression for pressure

(A) P = hdg	(B)
(C)	(D)

Question-2
Inter molecular force of attraction increases with

(A) increases in intermolecular distance	(B) decrease in intermolecular distance
(C) can increase or decrease with intermolecular distance	(D) no change

Question-3
The vacuum in a barometer is called

(A) Pascal's vacuum	(B) Blaise vacuum
(C) Archimedes vacuum	(D) Torricellian vacuum

Question-4
The device used to measure pressure exerted by liquid

(A) Barometer	(B) Manometer
(C) Fortin's barometer	(D) Mercury barometer

Question-5
If the weight of a given body is equal to weight of liquid displaced by it, then the body will

(A) sink	(B) float
(C) immeric partially	(D) none of these

Question-6
Hydraulic machines are based on the concept of

(A) Pascal's law	(B) Archimedes principle
(C) Law of flotation	(D) Boyle's law

Question-7
Which of the following not have a definite volume

(A) Solid	(B) Liquid
(C) Gas	(D) Solids and liquid

Question-8
The intermolecular distance between the molecules in a solid is

(A) very small	(B) medium
(C) very long	(D) large

Question-9
Gum and paper is an example for

(A) cohesion	(B) adhesion
(C) capillarity	(D) surface tension

Question-10
The force of attraction between water droplets resulting in the formation of large drop is an example of

(A) force of cohesion	(B) adhesion
(C) surface tension	(D) capillarity

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Std 8

ICSE/ISC

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