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

In the following question, out of the given four alternatives, select the alternative which best expresses the meaning of the Idiom/Phrase.

Be in the red

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.

Another major difference

X-seven planets around the star
Y-system is the tight packing of the
Z-in comparison with the solar

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.

Targeting inflation comes from a belief that policy should be _________ and transparent, so that the private sector can factor this ___________ their decision-making. The question that this ________ is: are there more "complicated" policies which _________ better? I just note that one such policy is called "nominal income targeting". _____________ it is more complicated and the private sector is deemed to be intellectually challenged.

are there more "complicated" policies which _________ better?

___________ being a higher category, is the assemblage of families which exhibit a few similar characters.

Fire extinguishers emit which gas?

The molecular formula of Propane is