The equation $y = 0.15 sin 5 x cos 300 t$ represents a stationary wave. The wavelength is this stationary wave will be

0.628 m

No worries! We‘ve got your back. Try BYJU‘S free classes today!

2.512 m

No worries! We‘ve got your back. Try BYJU‘S free classes today!

1.256 m

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

zero

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is D $1.256 m$
Wavelength $λ = 2 π / k$ , $k$ is the wave number. Comparing the given equation to the standard wave equation $y = A sin (k x + ω t)$ , $k = 5 m^{- 1}$
$λ = 2 π / 5 = 1.256 m$

Suggest Corrections

Similar questions

The equation y = 0.15 sin 5 x cos 300 t , describes a stationary wave. The

wavelength of the stationary wave is

[MP PMT 1995]

y = 5 sin (3 x / 50) cos (450 t)

x, y

c m

t

y = (2 mm) [cos (6.28 m^{- 1}) x cos (ω t)]

A

y = A cos (k x - ω t)

x = 0

Join BYJU'S Learning Program