It is the study of light and its interaction with matter.

This law states that the incident angle and reflected angle are equal and the same.

 It is the simplest and most common type of mirror.

An image that you can see , but does not really exist is called which of the following?

Which of the following does not use lenses?

The concave lens is also known as _______.

What happens when two north poles of magnets are placed together?

Earth's magnetic field and bar magnets both attract particles to the same location. Where are they?

Which of the following materials are strongly attractted by a magnet?

Who is the scientist honored in the Electromagnetic Wave Theory?

What energy transformations can take place in an improvised generator?

Which of the following waves are a combination of electric and magnetic fields?

Which of the following is not an electromagnetic wave?

Which has the highest frequency?

If gamma ray, visible light and radio wave are arranged in the order of increasing wavelenght, starting with the shortest,what would be the correct order?

Which of the following electromagnetic waves is used for television and radio broadcasting?

Which two waves lie at the ends of the visible spectrum?

In the visible spectrum, which color has the shortest wavelenght?

At the radio station, which of the folowing converts sound into electronic signal?

What wave property can best explain the apparent bending of a pencil when it is dipped into a glass of water?