In the diagram above, an incident ray AY makes an angle of 30^o with the normal XY. If the mirror is rotated anticlockwise about Y through an angle of 20^o, while AY is fixed, what angle will the reflected ray now make with the incident ray?

Similar Questions

If u is the object distance and v the image distance, which of the following expressions gives the l...

Molecules move in random motion within a liquid. The total internal energy of the liquid depends on ...

In order to view the sun, the most suitable instrument to use is? ...

Which of the following has the lowest internal resistance when new? ...

A body of mass 100g moving with a velocity of 10.0ms-1 collides with a wall. If after collision, it ...

Calculate the current in the 3Ω resistor shown in the diagram above. ...

Which of the following materials is a good insulator? ...

An object at rest is said to possess  ...

In the Fig above, Current I passes through the combination, if the power dissipated in the 5 ohm res...

A body of mass 100g moving with a velocity of 10ms-1 collides with a wall. If after collision i...