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)

For the buying and selling of precious metals such as Goldand Silver, the market established is termed as ________ .

The innovation theory of profit was proposed by

What is the name of the process where gas is directly converted to solids called?

In  which  one  of  the  following  States  is Loktak Lake situated?

Which country has started constructing world’s biggest floating Solar power plant in December 2017?

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’.
Her mother is (1)/ angry and (2)/ indifferent to me. (3)/ No Error (4)

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.

Books are our ______ friends. They are our guides. We can learn everything from them. The books contain all the great ______ of the world's leaders and we can learn them by reading the books. The books help us find ______ to our questions. The books never fail us. We should read as ______ books as we can. But all books are not good. So we should ______ only good books.

So we should ______ only good books and read them.