Given the progressive wave equation y = 5 sin (2000 πt...
Given the progressive wave equation y = 5 sin (2000 πt - 0.4x), calculate wave length
12.4 m
15.7 m
17.5 m
18.6 m
Correct answer is B
Comparing y = 5sin (200 πt - 0.4X) with the wave equation y = A sin (wt -KX) K = (2π)/λ = 0.4
∴ λ = (2π)/0.4 = 15.7M
I. for current amplification. II. for voltage stabilization. III. for power amplification. ...
One valid assumption of the kinetic theory of gasses is the ...
The functional difference between a lens and a mirror is that a lens ...
Boiling occurs when the vapour pressure of a liquid is ...
Evaporation of a liquid produces cooling of the liquid because the ...
The resistance in a series R-C circuit is 5 Ω. If the impedance of the circuit is 13 Ω, ...