Electromagnetism#!#15 din 15 Topic#!#100/100 ki Tayyari

The electromagnetic waves of frequency range 100 to 300 Hz are used in

If an electromagnetic radiation has a frequency of 100 Hz, then wavelength of this radiation will be?

the exponent of 15 in 100!, is

(15^(40))/(100) find R.

The motor of an engine is rotating about its axis with an angular velocity of 100 rpm. It comes to rest in 15s , after being switched off. If angular deceleration is constant, what is the number to revolutions made by it before coming to rest ?

Resistance is 16 Omega at 15^0C and 20 Omega at 100^0 C find coefficient of resistivity