Can simple pendulum experiment be performed inside a satellite?

In a freshly prepared radioactive sample the rate of radiation is 64 times greater than the safe limit. If its half -life be 2 h then using this sample experiments can be performed with safely after

Ringing/girdling experiment was first performed in

If young' s double slit experiment is performed using white light, then

A simple pendulum executes 40 complete oscillations in a minute. What is the effective length of the pendulum? g=980cm*s^(-2) .

Meaningful girdling experiments can not be performed with sugarcane plant because

Total mechanical energy of a simple pendulum is directly proportional to the amplitude of the pendulum. Is the satement true or false?

Descibe the experiment performed by Miller and Urey along with proper diagem.