SSLC (English Medium) Class 8 - Tamil Nadu Board of Secondary Education Question Bank Solutions

Which of the following is not a scale of temperature?

Lighting occurs due to ______.

Before using an electroscope, it should be ______.

The gold-leaf electroscope was developed in ______. 

The gold-leaf electroscope was developed by Abraham Bennet.

Assertion: Insulators do not allow a flow of current through them.
Reason: Insulators have no free charge carrier

Assertion: When both the strips of the electroscope are charged with a similar charge, they repel each other and become wide open.
Reason: Like charges always repel each other.

What do you mean by electrical Earthing?

Write a note on –

Electrical discharge.

Bats produce ______ sound during screaming.

What type of magnet is used in the Mangle train?

What is meant by a mag-stripe?

Write a note on the Mangle train.

Write a note on:

Magstripe:

The liquid metal at room temperature ______.

The metal can be cut with a knife ______.

Metals and non–metals are used for making ______, ______ and ______.

The typical shine of metals is called ______.

Metals are ______ conductors of heat and electricity.

All gases are ______.