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10Total internal reflection occurs when light passes from rarer to denser medium.
The critical angle is the angle of incidence at which the refracted ray makes 90° with the normal.
Total internal reflection occurs when i < critical angle.
Light striking water-air interface at i > critical angle is reflected back entirely into water.
The coin in water appears raised due to total internal reflection.
The angle of refraction cannot exceed 90°.
Diamonds sparkle because their critical angle is small, causing TIR inside.
TIR is used in optical fibers to transmit light signals.
Critical angle is larger for diamond than glass.
TIR cannot occur in air → water interface.
Percentage: 0%
Total internal reflection occurs when light travels from:
The angle of refraction at the critical angle is:
In water, the critical angle for air-water interface is approximately:
If the angle of incidence is less than the critical angle:
The coin in water appears raised due to:
Total internal reflection is used in:
If light travels from glass to air, TIR occurs when:
The reflected ray in TIR remains in:
The critical angle depends on:
Total internal reflection is not observed when light travels:
Total internal reflection occurs when light travels from a ______ medium to a ______ medium.
When the angle of incidence increases, the corresponding angle of refraction also ______ until it reaches 90°.
The ______ angle of refraction for which refraction occurs is 90°.
The angle of incidence in the denser medium at which the refracted ray makes 90° with the normal is called the ______ angle.
Light striking the water-air interface at an angle greater than the critical angle is ______ internally reflected.
The coin in water appears raised due to ______ of light, not TIR.
Total internal reflection is responsible for phenomena such as sparkling diamonds, mirages, and ______ fiber transmission.
For water-air interface, the critical angle is approximately ______.6°.
No refraction occurs when the angle of incidence is ______ than the critical angle.
The ray reflected back into the denser medium without entering the rarer medium is called the ______ ray under TIR.