Questions

An echo is returned in 3 s. What is the distance of the reflecting surface from the source, considering the speed of sound as 342 ms-1?

India’s first Labour Movement Museum is to be launched in which state/UT?

One step in the production of hydroelectric power involves _____.

Which is the political party started by Telugu film actor Chiranjeevi, who later merged it with the Indian National Congress?

___ is not a chemical change.

In the following question, 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.

Anita ______ her work by the time he came.

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

Keep your chin up

In the following question, four words are given out of which one word is correctly spelt. Select the correctly spelt word.