Answer:
c
Explanation:
double alit experiment is for wave theory for light
Yes it is possible. Spectrum of emitted light depends upon the chemical composition of the source. and the way of its excitation. a clear example to us is that of sun.
Answer:
Explanation:
From the question we are told that
Weight
Altitude
Speed
Generally the equation for Potential energy ids mathematically given as
Answer:
The roof and walls of the auditorium or cinema hall are generally covered with sound absorbent materials like draperies or compressed fibreboard to reduce reverberation. These materials reduce the formation of echoes by absorbing sound waves.
hope it helps!