Questions

What is the duration of the world’s shortest X–ray laser has been successfully created by the scientists?

In the following questions, one part of the sentence may have an error. Find out which part of the sentence has an error and click the buttoncorresponding to it. If the sentence is free from error, click the "No error" option.

He flowed into a rage (A)/ at the very (B)/ sight of that man (C)/ No error (D)

Atomic numbers of four elements are as follows : F(9), P(15), Cl(17), Ar(18). Which of the following two elements would be chemically similar?

Which of the following metals cannot be easily cut with a knife?

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.

Literature is a _____ through which a person conveys his ideas towards or protest _____ different norms of society. The words that deal with a _____ issue are of particular importance in literature. They are _____ with a particular purpose in _____.

a particular purpose in _____.

In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word.

Abutting

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

The realisation came when we noticed that our children (had becoming) too dependent on us.

What is the value of acceleration due to gravity at the centre of earth?