Light Reflection & Vision

Front

What is the path that light travels in a vacuum?

Back

Light travels in a straight line.

Front

What technology uses light to transmit data at high speeds?

Back

Fiber optics.

Front

Which device does NOT rely on the reflection of light?

Back

USB memory stick.

Front

What optical device is used to focus light onto an object?

Back

Lens.

Front

What is the purpose of a mirror in directing light?

Back

To aim or reflect light towards a specific target.

Front

What is the principle of reflection in optics?

Back

When light hits a reflective surface, it bounces back at the same angle.

Front

What is the difference between reflection and refraction?

Back

Reflection is the bouncing back of light, while refraction is the bending of light as it passes through different mediums.

Front

What is the role of the cornea in vision?

Back

The cornea helps to focus light onto the retina.

Front

What is the function of the retina in the eye?

Back

The retina converts light into neural signals for the brain to interpret.

Front

What type of lens is used to correct nearsightedness?

Back

Concave lens.