JEE Main & Advanced
Physics
Wave Mechanics
JEE PYQ-Wave Mechanics
question_answer
The displacement y of a particle in a medium can be expressed as \[y={{10}^{-6}}\sin \left( 100t+20x+\frac{\pi }{4} \right)m\], where t is in second and \[x\]in metre. The speed of the wave is [AIEEE 2004]