Physcis

Unpolarized light is represented by

• Straight line

• Dots

• Either straight line nor dots

• Both straight lines and dots

In the optical fiber for TIR take place the rah should passes from

• Rarer to denser

• Denser to rarer

• Either denser or rarer

• Neither deneser nor rarer

In Newton rings the thickness of air flim 1. Point of contact of lens 2.at the edge of lens

• Zero

• Maximum

• Minimum

• None of the above

In netwon rings what type of ring is get in center

• Dark ring

• Bright ring

• White ring

• None of the above

Another name of bright fringe

• Constructive interference

• Destructive interference

• Either constructiveor destructive

• None of the above

The light ray that passes through polarizer should be

• Parallel

• Perpendicular

• Neither parllel nor perpendicular

• Horizontal

The light ray is combination of

• Electric field

• Magnetic field

• Em wave

• None of the above

What are different methods to convert unpolarized to polarized light

• Reflection

• Refraction

• Refarction

• Double refarction

Another name of unpolarized light

• Ordinary light

• Red light

• Sodium light

• Blue light