Light and Mirrors

What is the change in direction of light called when it passes from one transparent medium to another?

• Reflection of light

• Dispersion of light

• Refraction of light

• Scattering of light

Which medium is optically rarer than any other transparent medium?

• Water

• Air

• Glass

• Diamond

When a ray of light travels from a rarer to a denser medium, it bends towards the _______.

• Normal

• Parallel

• Perpendicular

• Tangent

When a ray of light travels from a denser to a rarer medium, it bends away from the _______.

• Normal

• Parallel

• Perpendicular

• Tangent

What happens to a ray of light when it falls normally on the surface separating two media?

• It reflects

• It refracts

• It bends

• It passes undeviated

Where does refraction take place when light passes through a rectangular glass block?

• At the top surface

• At the bottom surface

• At both surfaces

• Inside the block

What happens to white light when it passes through a prism?

• It splits into seven colors

• It reflects off the prism

• It becomes brighter

• It disappears

What is the colored band formed when white light passes through a prism called?

• Spectrum of light

• Rainbow

• Color wheel

• Light beam

What is the splitting of white light into its constituent colors called?

• Reflection of light

• Dispersion of light

• Refraction of light

• Scattering of light

What does a prism do to white light?

• Produces colors

• Absorbs colors

• Reflects colors

• Separates colors