Questions

Which of the following devices converts Chemical energy into Electrical energy?

The mass per unit volume is called

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

Which Indian won the 2014 Nobel Prize for Peace?

In each of the questions, four alternatives are given for the Idiom/Phrase. Choose the alternative which best expresses the meaning of the Idiom/Phraseand click the button corresponding to it.

Pros and Cons

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best
expresses the same sentence in Indirect/Direct speech.
They said, “We will attend the performance tomorrow.”

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 isneeded, select "no improvement".

My daughter (comes running) as fast as her little feet can take her while her eyes sparkle vivaciously