1. To Find The Height Of a Room by an Experiment using Simple Pendulum
MATERIALS REQUIRED
A simple pendulum, metre scale, stop clock, bobs of different masses, wooden blocks, a long string which has greater than the height of the laboratory.
INTRODUCTION
The period of a simple pendulum...
1. In hydrogen atom the distance between electron(e=1.6*10^-19 C)(Mass of electron=9.1*10^-31 kg) & proton(Mass Of proton=1.7*10^23 C) is 5.3*10^-11 m.
2. Calculate the electrical and gravitational forces between 2 particles
3. Can't do the problem... Please help!