60m
15m
5m
2m
Correct answer is C
λ2π
52π = 5m
A wire, 20m long is heated from a temperature of 5°C to 55°C. If the change in length is 0.0...
Resonance occurs when one vibrating object causes a second object to vibrate at its own natural ...
Which of the following statements about a progressive mechanical wave is correct? ...
In the microscope, the eyepiece lens merely acts as? ...
Two inductors of inductance 5 mll and 15 mll are connected in series and a current of 5A flows ...