Physics

What is an echo
Name the phenomenon involved in tuning a radio set to a particular station
Name the transformer used in the power transmitting station
A battery of e.m.f. 12V and internal resistance 2 Ω is connected with two resistors
Arrange α, β and γ rays in ascending order with respect to their
In a cathode ray tube what is the function of anode
Represent the change in the nucleus of a radioactive element