Law of Reflection and Refraction of Light

What is the law of reflection of light?

• Angle of incidence = Angle of diffraction

• Angle of reflection = Angle of refraction

• Angle of reflection = Angle of transmission

• Angle of incidence = Angle of reflection

Define the law of refraction.

• The law of refraction is only applicable to light passing through a vacuum.

• The law of refraction is based on the ratio of the cosine of the angles of incidence and refraction.

• The law of refraction states that light travels faster in denser mediums.

• The law of refraction is the ratio of the sine of the angle of incidence to the sine of the angle of refraction is constant when light passes from one medium to another.

Explain how light passes through different mediums.

• Light passes through different mediums by being reflected and creating new colors.

• Light passes through different mediums by being reflected, refracted, absorbed, or transmitted depending on the properties of the medium.

• Light passes through different mediums by being absorbed and transformed into sound waves.

• Light passes through different mediums by being refracted and changing its speed.

What is the angle of incidence?

• The angle of incidence is the angle formed between the incident ray and the normal to the surface at the point of incidence.

• The angle of incidence is the angle formed between the reflected ray and the surface

• The angle of incidence is the angle formed between the incident ray and the reflected ray

• The angle of incidence is the angle formed between the normal and the reflected ray

Tags

CCSS.HSG.CO.A.1

How is the angle of reflection related to the angle of incidence?

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

• The angle of reflection is opposite in direction to the angle of incidence.

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

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

Define the index of refraction.

• The index of refraction is the ratio of the speed of light in a vacuum to the speed of light in the medium.

• The index of refraction is the measure of the brightness of light in a medium.

• The index of refraction is the wavelength of light in a vacuum.

• The index of refraction is the angle at which light bends in a medium.

In the law of reflection, what is the relationship between the incident ray, the reflected ray, and the normal to the surface?

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

• The incident ray is perpendicular to the normal

• The incident ray, reflected ray, and normal to the surface are coplanar, and the angle of incidence equals the angle of reflection.

• The reflected ray is parallel to the normal

Tags

CCSS.HSG.CO.A.1

What happens to the wavelength of light when it passes from air to glass?

• The wavelength of light remains the same.

• The wavelength of light decreases.

• The wavelength of light increases.

• The wavelength of light becomes invisible.

If the angle of incidence is 30 degrees, what is the angle of reflection according to the law of reflection?

• 60 degrees

• 20 degrees

• 45 degrees

• 30 degrees

Tags

CCSS.HSG.CO.A.1

What is the critical angle in the context of refraction?

• The critical angle is the angle of reflection in refraction.

• The critical angle in the context of refraction is the angle of incidence that results in an angle of refraction of 90 degrees.

• The critical angle is the angle at which light passes through a medium without any refraction.

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