Materials metals and non-metals — Science STD 8 — Question

A wooden block is floating in water contained in a beaker. If the beaker is placed in a free falling elevator, during the free fall, the up thrust on the block will be:

The Government Agency responsible for purchasing grains from the farmers, safe storage and distribution is:

When does a body float on water?

The soft-iron core of an electromagnet loses its magnetism once the current passing through the electromagnetic coil stops because.

Which of the following changes occur when you walk out of bright sunshine into a poorly lit room?

The slow process by which the large land plants and trees buried deep under the earth have become coal is called:

Sound waves cannot travel through a ………… .

Armature is pulled towards the spring when it strikes the gong because:

The production of an exact copy of an animal by asexual reproduction is known as:

In the last year board examination, rahul were asked a question where he had to choose the statement which was/were correct? Will you be able to answer this question?