has significant 5 If a amplitude upto a factor of 1 e of

Last updated: 6/14/2023

has significant 5 If a amplitude upto a factor of 1 e of original only in the period betweent 0 stot ts then t may be called the average life of the pendulum When the spherical bob of the pendulum suffers a retardation due to viscous drag proportional to its velocity with b as the constant of proportionality the average life time of the pendulum is assuming damping is small in seconds a 0 693 b 2 c 1 1 0 b b d b 6 Hydrogen atom is excited from ground state to another state with principal quantum number equal to 4 Then the number of spectral lines in the emission spectra will be a 2 b 3 c 5 d 6