Questions

In a hydrogen atom, an electron moves in an orbit of radius 5.0 x 10-11 m with a speed of 2.2 x 106 m/s. What is the equivalent current? (Electronic charge = 1.6 x10-19 C)

The sentences given with blanks are to be filled with an appropriate word(s). Four alternatives are suggested for each question. For each question, choose the correct alternative and click the button corresponding to it.

Most children remain______school between the ages of seven and ten.

In the following passage some of the words have been left out. Read the passage carefully and choose the correct answer for the given blank out of the four alternatives.

We have rich cultural _____ . Its roots go into _____. Ours has never been a closed ______. It has _______ just like a tree, ______ to external ______ but holding its roots _______. But one wonders today whether it will be able to hold its _____. The ______ of our cultural heritage has come under the _____ of western culture.

whether it will be able to hold its _____.

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".

A small makeshift stage (was construct) with a red curtain for a backdrop.

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 think so (A)/ you have taken (B) / the right decision. (C) / No Error (D)

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".

No sooner did the teacher come into the class when we stood up.

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.

If there is a

X-corresponding sensation
Y-kind, there has to be a
Z-change in brain activity of a certain

The sentences given with blanks are to be filled with an appropriate word(s). Four alternatives are suggested for each question. For each question, choose the correct alternative and click the button corresponding to it.

The new railway counter at Dwarka should _____ all travellers.