Question : White light is an example of:

Question : In which of the following ways of heat transfer no medium is required?

Question : Which of the following statement(s) is/are correct?

Question : If $a$ and $b$ are rationals and $a\sqrt{2}+b\sqrt{3}=\sqrt{98}+\sqrt{108}-\sqrt{48}-\sqrt{72}$ then, the values of $a$ and $b$ respectively, are:

Question : The cost of 3 cups and 5 plates is INR 1,080 and the cost of 2 cups and 4 plates is INR 840. Find the ratio of the cost of a cup to the cost of a plate.