Date post: | 21-Jan-2015 |
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SCIENCE BEHIND THE SHIFT
WHEN A WAVE ENTERS A DENSER MEDIUM FROM A
RARER MEDIUM, ITS……….
• SPEED DECREASES
• WAVE LENGTH DECREASES
• PART OF THE WAVE IS REFLECTED
• FREQUENCY DOES NOT CHANGE
LIGHT ENTERING WATER FROM AIR
WHEN THE INCIDENT RAY IS PERPENDICULAR TO THE MEDIUM,
REFRACTION DOES NOT TAKE PLACE
WHEN i > øc, TOTAL INTERNAL REFLECTION OCCURS
CRITICAL ANGLE
THE GLITTER OF DIAMOND
IS DUE TO
MULTIPLE INTERNAL
REFLECTIONS
AND
REFRACTIONS
ANGLE OF REFRACTION DEPENDS ON THE REFRACTIVE INDEX
REFRACTIVE INDEX OF A MATERIAL, n…..
MIRAGE
MIRAGES ON ROADS
DEFORMATION OF SOLAR DISC
SUN IS VISIBLE EVEN WHEN IT IS BELOW THE HORIZON