Match List 1 with List 2 and select the correct answer using the code given below the lists :
Which one among the following is a correct sequence of production of coal in the Indian States in descending order?
Which one among the following is a correct sequence of the Indian ports from north to south?
Momentum of a body is
Select the correct answer using the code given below :
Refractive index of an optical medium changes with
Protons and neutrons are bound in a nucleus by the