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

Question-1
The upper portion of a charged cloud generally carries :

(A) A positive charge	(B) A negative charge
(C) Air	(D) No charge

Question-2
The transfer of heat due to the actual movement of particles is called :

(A) Conduction	(B) Convection
(C) Radiation	(D) All of these

Question-3
The device used to detect and measure electric charges is called :

(A) Electroscope	(B) Periscope
(C) Microscope	(D) Telescope

Question-4
What is the principle behind electroplating?

(A) Electro refining	(B) Electrolysis
(C) Conduction	(D) Convection

Question-5
The negatively charged particles in an atom is called :

(A) electron	(B) Proton
(C) Neutron	(D) Positron

Question-6
LED is :

(A) Light emitting diode	(B) Light emission diode
(C) Light ejecting diode	(D) Light ejection diode

Question-7
The kite experiment was performed by :

(A) Issac Newton	(B) Einstein
(C) Benjamin Franklin	(D) Faraday

Question-8
The electrical appliances are all connected in which circuit ?

(A) Series circuit	(B) Parallel circuit
(C) Complex circuit	(D) Series parallel circuit

Question-9
The degree of hotness or coldness of a body is called :

(A) Temperature	(B) Coldness
(C) Thermopotential	(D) Heat

Question-10
Conduction is a process of :

(A) Transfer of electron between the atoms during rubbing	(B) Charging of an object by touching it with an electrically charged object.
(C) Charging a body by bringing it close to a charged body	(D) both 2 and 3

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Std 8

Tamil Nadu (English Medium)

Practice in Related Chapters
Measurements
Force and Pressure
Electricity and Heat
Light and Sound