Questions

Propagation of sound can be visualised as propagation of ____________ variations in the medium

A sound of single frequency is called a

The absolute refractive index of air is

At which of the following place, weight of an object is maximum?

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'.

I recall you telling me (A) / the story of the seven witches (B)/ but I cannot remember where or when.(C)/ No Error (D)

In the following question, a sentence/a part of the sentence is underlined. Below are given alternatives to the underlined part which may improve the sentence. Choose the correct alternatives. In case no improvement is required, choose "No Improvement" option.

The Internet has totally changed the world like no other technology before it.

A sentence/a part of the sentence is underlined. Four alternatives are given to the underlined part which will improve the sentence. Choose the correct alternative and click the button corresponding to it. In case no improvement is needed, click the button corresponding to "No improvement".

An old friend, may I give you an advice?

In the following questions, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

Children need to be taught the importance of hygiene early on so that it becomes a _____. Children are the most _____ to hygiene-related disorders like skin issues, rashes, infections, wounds, etc. Teach them early on about what to _____. Teach them that taking a few _____ measures to prevent infections and diseases is _____.

importance of hygiene early on so that it becomes a _____