Questions

Calculate the work done by the force of gravity when a satellite moves in an orbit of radius 40,000 km around the earth.

What is the range of frequencies of sound waves audible to human beings?

UNESCO Headquarters is in

Which  of  the  following  are  the  powers  of the Supreme Court of India?

1.Original    jurisdiction    in    a    dispute between  the  Government  of  India  and one or more States.

2.The  power  to  hear  appeals  from  the High Courts

3.Passing  decrees  and  orders  for  doing justice in any matter before it

4.Render advice to the President of India in matters of law

Select  the  correct  answer  using  the  code given below.

How many levels of Government are there in India?

If quantity of good X demanded increases from 4000 units to 5000 units when price of good Y increases from Rs 75 to Rs 90, find Arc Cross elasticity of demand?

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.

I said to my friends, "let us go to a picnic for a change".

Which of the below options is called a laughing gas?