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- 1. Multiple Choice
if angle of incidence is greater than critical angle
refraction of light
angle of refraction is 90o
total internal reflection
none of the above
- 2. Multiple Choice
if angle of incidence is equal to critical angle
refraction of light
angle of refraction is 90o
total internal reflection
none of the above
- 3. Multiple Choice
if angle of incidence is less than critical angle
refraction of light
angle of refraction is 90o
total internal reflection
none of the above
- 4. Multiple Choice
The condition for total internal refection
light must travel from denser to rarer medium
light must travel from rarer to denser medium
angle of incidence is lesser than critical angle
angle of incidence is greater than critical angle
- 5. Multiple Choice
Which colour of light has a higher crictical angle?
red or green light
red
green
- 6. Open Ended
Draw a diagram of a right angled isosceles prism which is used to make an inverted image erect.
- 7. Multiple Choice
Is there a loss of energy during total internal reflection?
yes
no
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