8 TH PHYSICS ENGLISH – QUIZ

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8 TH PHYSICS ENGLISH – QUIZ

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If the rays meet at a point they form a ?

The shape of the outer part of the ear is like a ?

Galvanized iron is ?

A change of state occurs when substances are ?

Who said lighting is an electrical phenomenon ?

The human eye has a ?

Which will insulate us from electric shock to a certain extent?

A process in which a layer of one metal is coated over another metal by electrolysis.This is known as?

Reflection from a rough (unpolished) surface is called ?

Gold, silver are refined or purified by ?

The bulbs are connected end to end. This type of circuit is known as ?

Types of charges ?

An object can also be charged by simply touching it with an electrically charged object. This process of charging is called?

Multiple reflection principle is applied in ?

The electric appliances in our houses are all connected in a ?

The bending of ray of light when it passes from one medium to another is called?

The angle of incidence for which the angle of refraction becomes 90° is called?

The atom is madeup of how many types of particles ?

An electroscope is a device used to ?

LED is made up of ?

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