Reflection is the phenomenon of………without…….. .

Total internal reflection of light is the phenomenon of………..into……..from……….. .

Under what conditions is the phenomenon of total internal reflection between the critical angle of incidence and the refractive index of the medium.

Assertion Shining of diamond is due to the phenomenon of total internal reflection. Reason Refractive index of diamond is large. Hence,critical angle is small.

Assertion Shining of diamond is due to the phenomenon of total internal reflection. Reason Refractive index of diamond is large. Hence,critical angle is small.

Write the necessary conditions for the phenomenon of total internal reflection to take place. How does one account for the brilliance exhibited by a diamond when it is suitably cut ? 5

Write the necessary conditions for the phenomenon of total internal reflection to take place. How does one account for the brilliance exhibited by a diamond when it is suitably cut ? 5