Which of the following units is not fundamental?
The vacuum between the double walls of a thermos flask reduces heat loss through
In photoelectric effect, the number of electrode emitted per second from a metallic surface is proportional to the
When two cells of negligible internal resistances and equal e.m.f. denoted by E\(_1\) and E\(_2\) are connected in parallel, combined e.m.f. E is given by
Which of the following statement about viscosity is not true? it
