Photoelectric effect
The phenomenon of emission of electrons by certain metal , when it is exposed to radiations of certain frequencies is called as photoelectric effect and emitted electrons is called as photoelectrons
Posted by Manoj Jaiswar ( PMJ Sir )
Two cars A and B, are moving along a straight road in the same direction with velocities of 25 km/hr and 40km/hr respectively. What is the velocity of car B relative to car A?
Given data in this problem can be listed as, velocity of car A = 25km/hr v…
A 100 Ω resistor is connected to a 220 V, 50 Hz ac supply. (a) What is the rms value of current in the circuit? (b) What is the net power consumed over a full cycle?
As per the question, we can list out the following data Resistance R= 100 …