A soap bubble of radius r is blown up to forma bubble of radius 2r under isothermal conditions. I
The converse of "if x∈A∩B then x∈A and x∈B", is<
The wave number of the first line in the Balmer series of hydrogen is 15200 cm-1
An ant goes from P to R on a circular path in 20 second Radius OP=10m. What is the average speed