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What are the quantities that remain same during refraction ?

What are the quantities that remain same during refraction ?

Grade:Upto college level

3 Answers

Apoorva Arora IIT Roorkee
askIITians Faculty 181 Points
8 years ago
The speed that the wave is traveling changes as it refracts (either increases as it enters a medium with a lower refractive index; or decreases as it enters a medium with a higher refractive index). At the same time, the wavelength changes (increases or decreases proportionally) depending on the change in the wave's velocity.

The frequency remains unchanged. The direction also changes.
Gavvala Ganesh
551 Points
7 years ago
 
The speed that the wave is traveling changes as it refracts (either increases as it enters a medium with a lower refractive index; or decreases as it enters a medium with a higher refractive index). At the same time, the wavelength changes (increases or decreases proportionally) depending on the change in the wave's velocity.The frequency remains unchanged. The direction also changes.
Chirag Arora
48 Points
4 years ago
however it means the same but still i felt to add this that energy of the wave also remains the same as energy = h*f where f is frequency... since freuency remains constant..

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