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)

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

Through thick and thin

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.
The meeting was presided _____ by the Chairman.

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 are ____ in a time of great and _____changes. The most obvious _____of the modern world is the _____development of science and technology. This has given man a deeper _____of nature.

This has given man a deeper______of nature.

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

Most __________________ of all to the rambler on avian lore intent is the fact that there are many species and genera that are peculiar to the West, and ______________ new to him, keeping him constantly on the 'qui vive'. _____________ Colorado you will look in vain for the common blue jay, so abundant in all parts of the East; but you will be more _______________ compensated by the presence of seven other species _____________ the jay household.

presence of seven other species _____________ the jay household.

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'.

We are pleased that(A)/our daughter is married with(B)/such a nice man.(C)/No error(D)

On which river is the Tehri dam built?

The United Nations Green Climate Fund is Headquartered in which country?