Refraction

Who came up with the theory of refraction?

• Thomas Edison

• Willebrord Snell

• Dmitri Mendeleev

• Albert Einstein

What is the cause of the change of directon?

• The change of temperature

• The change of pressure

• The change of wind

• The change of speed

Which colour has the smallest refraction angle?

• Blue

• Green

• Yellow

• Red

Which colour has the biggest refraction angle?

• Blue

• Green

• None of the options

• Red

If the light travels from air to glass, which statement is true?

• Angle of incidence is equal to angle of refraction

• Angle of incidence is less than the angle of refraction

• Angle of incidence is more than the angle of refraction

What part of the eye refracts light?

• The pupil

• The cornea

• The retina

• The iris

What does all of the colours produce when they intercept?

• Black light

• White light

• A muddy brown splodge

• No one has discovered that yet