MHT CET202016 Oct 2020Morning ShiftPhysicsDual Nature of MatterActual
When a photon enters glass from air, which one of the following quantity does NOT change?
Options
- AVeloCity
- BEnergy
- CMomentum
- DWavelength
Correct answer
B. Energy
Step-by-step solution
(x=A t, ,= d x d t = A t ) (T E=P E+K E, P₀ E= 1 2 k x², K E = 1 2 m v² ) T. (E= 1 2 k A² ² t+ 1 2 m ² A² ² t , = R m , k mv² ) T. (E= 1 2 m ² A² ² t+ 1 m ² A² c c² t 2 m ² A² 2 = 2 m ² A² T² )