Understanding Light and Vision

What is the range of wavelengths in the visible light spectrum that the human eye can perceive?

• 380 to 700 nanometers

• 200 to 2500 nanometers

• 400 to 700 nanometers

• 300 to 800 nanometers

Which part of the eye is responsible for bending light as it enters?

• Cornea

• Pupil

• Lens

• Retina

What type of light does a laser emit?

• Monochromatic light

• Polychromatic light

• Ultraviolet light

• Infrared light

Why does a red shirt appear red?

• It reflects red light and absorbs other colors

• It emits red light

• It absorbs red light and reflects other colors

• It is made of red-colored material

What is the primary source of visible light?

• The Sun

• A torch

• A laser

• A light bulb