5.5Hz
148.5Hz
200.0Hz
550.0Hz
Correct answer is C
λ = 4L = 4 X 45 = 180cm
F = Vλ
= 360180×10−2
= 200Hz
A piece of cloth appears green in sunlight. When held in red light, it will appear ...
A simple barometer is constructed using a liquid Q1 of density 16.2g/cm3. Calculate th...
The normal temperature of human body is record at what ranges? ...
A dynamo primarily converts ...