Questions

A ball is dropped from a height of 10 m. It strikes the ground and rebounds up to a height of 2. m. During the collision, the per cent loss in the kinetic energy is

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

Of all the forts (1)/ that I’ve visit in India, (2)/ Daulatabad Fort is my favourite. (3)/ No error (4)

In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence.

The rejection of all religious and moral principles, in the belief that life is meaningless

If the ___________ firm has zero costs or only has fixed cost, the quantity supplied in equilibrium is given by the point where the marginal revenue is zero.

If tea companies start using mechanised tea leave pickers

Harmful bacteria in potable water make the water

Organisms that use light to prepare food are known as _____.

Non-metal oxides are usually