The displacement … of a particle in a medium can be expressed as, … … … where … is in second and … in meter. The speed of the wave is

Waves

JEE Main 2004 · Annual, Paper 1 · Q8476

PhysicsEasy85×since 2002Q8476

The displacement

y

of a particle in a medium can be expressed as,

y = {10^{ - 6}}\,\sin

\left( {100t + 20x + {\pi \over 4}} \right)

m

where

t

is in second and

x

in meter. The speed of the wave is

JEE Main 2004 · Annual, Paper 1 · Q8476

PhysicsEasy85×since 2002Q8476

The displacement

y

of a particle in a medium can be expressed as,

y = {10^{ - 6}}\,\sin

\left( {100t + 20x + {\pi \over 4}} \right)

m

where

t

is in second and

x

in meter. The speed of the wave is