Question

Imp 5 mark questions in Ray Optics

Answer 1

• What happens to light wave falling normally to glass slab?
• State the laws of reflection and refraction?
• Why does refraction occur when light passes from one medium to another?
• Define critical angle for an interface of two media?
• A rod immersed partially or obliquely in water appears to be bent. Explain.
• Differentiate between optical density and mass density?
• Why are rays falling over a mirror or a lens considered to be paraxial?
• Derive the mirror equation?
• Explain the illusion, mirage seen on a hot summer day in desert?
• Explain the term photometry?
• Derive the Len’ maker’ formula?
• How do thin prisms deviate light?
• Write a short note on:

a) Compound Microscope

b) Telescope

c) Human Eye

d) Formation of rainbow