Light Shadows a...

Incident light falling on a surface is sent back into the same medium. This phenomenon is known as

Three sticks are placed in an open field as shown in figure. Which of the following sticks will form the shadow of equal length? 

You have to cast the shadow of your pencil on the wall with the help of candle in a dark room. How can you obtain a shadow smaller in size than the pencil?

The pinhole camera works on the principle of

The given image shows the working of which optical instrument ?

When Abhishek looked at a lighted torch through an object he could see a faint glow, but not the torch. The object is

The color of the shadow of Green ball is:

Which of the following is a translucent object? 

Read the given statements and select the correct option.
Statement 1: Rahul placed a colored plastic bottle in front of the beam of a torchlight. Then he placed a transparent sheet of the same size on the other side of the bottle. No shadow will form on the screen.
Statement 2: Translucent objects allow light to pass through them partially.

Which diagram best shows the reflection of light?