Andhra Pradesh (English Medium) Std 8 Study Materials, Online Learning, Question Papers, Classnotes, Practice Test, MCQ | Smartindia Educational Program : www.smartindia.net.in

Question-1
Which among the following is not a mode of heat transfer?

(A) Conduction	(B) Convection
(C) Radiation	(D) Ionization

Question-2
The size of a body is not constant. It depends on

(A) Gravity	(B) Air
(C) Temperature	(D) Light

Question-3
Which of the following element is used in thermometers?

(A) Gold	(B) Mercury
(C) Cadmium	(D) Silver

Question-4
Law of cooling was proposed by

(A) Newton	(B) Einstein
(C) Fahrenheit	(D) Six

Question-5
The scientist named ‘Six’ designed

(A) Celsius Scale thermometer	(B) Fahrenheit thermometer
(C) Clinical thermometer	(D) Maximum and minimum thermometer

Question-6
The standard temperature of pure melting ice at normal atmospheric pressure is taken as

(A) Lower Fixed Point	(B) Upper Fixed Point
(C) Triple Point	(D) Boiling Point

Question-7
If we touch on a cold body

(A) Our body takes up heat from it	(B) It takes away heat from our body
(C) No heat transfer occurs	(D) The object becomes charged

Question-8
The melting point of mercury is

(A) 39^oC	(B) -39^oC
(C) 30^oC	(D) -30^oC

Question-9
The principle of pressure cooker is

(A) Boiling Point of water increases with increase in pressure	(B) Boiling Point of water decreases with increase in pressure
(C) Boiling Point of water increases with decrease in pressure	(D) Boiling Point of water is not affected by change in pressure

Question-10
Which of the following show the highest expansion rate?

(A) Solid	(B) Liquid
(C) Gas	(D) Semi solids

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Std 8

Andhra Pradesh (English Medium)

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