Physics
Fill in the blanks to complete the following sentences —
(a) Total internal reflection occurs only when a ray of light passes from a ………. medium to a ………. medium.
(b) Critical angle is the angle of ………. in denser medium for which the angle of ………. in rarer medium is ……….
Related Questions
The critical angle for glass-air is 45° for the light of yellow colour. State whether it will be less than, equal to, or more than 45° for
(i) red light,
(ii) blue light ?
Which colour of light has higher critical angle ? Red light or green light.
State whether the following statement is true or false —
If the angle of incidence is greater than the critical angle, light is not refracted at all, when it falls on the surface from a denser medium to a rarer medium.
What is the meant by the statement ‘the critical angle for diamond is 24°'?