A wave has a length of 2m and a frequency of 10Hz. Calculate the wave number . Calculate the angular frequency. Calculate wave speed
in which substance are free electrons involved in transfer of energy
why alpha decay occurs
Write down at least three precautions that must be adopted in order to perform the
experiment to study the characteristics of G.M tube
Write down the working principle of GM tube.
Write down the apparatus used to investigate attenuation of radiations with absorption of beta particles.
. Explain the phenomenon of avalanche produced in working of GM tube