38 Quiz

Which of the following best describes the Law of Reflection?

• The angle of incidence is always greater than the angle of reflection.

• The angle of incidence is equal to the angle of reflection.

• The angle of incidence is always less than the angle of reflection.

• The angle of incidence and angle of reflection are unrelated.

Which equation represents Snell's Law?

• It increases.

• It decreases.

• It remains the same.

• It becomes zero.

Which of the following is an application of refraction?

• Formation of shadows

• Echoes

• Lenses in eyeglasses

• Magnetic attraction

When light passes from a denser medium to a rarer medium, what happens to the angle of refraction?

• It decreases.

• It increases.

• It remains the same.

• It becomes zero.

Which of the following devices uses the principle of reflection?

• Microscope

• Periscope

• Magnifying glass

• Prism

Which of the following statements is true about the normal in reflection?

• It is parallel to the surface.

• It is perpendicular to the surface.