Light

• Light travels as transverse waves and can travel through a vacuum.
• Reflection- is the throwing back by a body or surface of light, heat, or sound without absorbing it.
• Refraction- is the bending of a wave when it enters a medium where its speed is different.
• Diffraction- is the slight bending of light as it passes around the edge of an object.
• Interference- is to prevent (a process or activity) from continuing or being carried out properly visible frequencies that consist of different .
• Visible light waves are the only electromagnetic waves we can see.