Physical Science Study Set 3

The bending of waves around corners is called

A flashlight beam is seen because of

The speed of light in a particular transparent medium is 2/8 the speed of light in a vacuum. What is the index of refraction of the material?

A light wave traveling in air strikes a plane mirror surface at an angle of 30° relative to the normal. The wave is reflected at an angle of

A rainbow results from

A particular material has an index of refraction of 2.75. What percent of the speed of light in vacuum is the speed of light in the material?

When the Sun is on the horizon, it is actually lower than it appears because of

The angle of incidence of a light wave is

The index of refraction of transparent materials is

The bending of light because of a speed change as it moves from one medium to another is called

A reflected ray of light leaves a plane mirror's surface at an angle of 60° relative to the normal. The angle of incidence was

A reflected ray of light leaves a plane mirror's surface at an angle of 30° relative to the normal. The angle of incidence was

Which of the following statements is true of the angles of incidence and reflection?

The speed of light in a material is 1.74 × 10⁸ m/s. What is the index of refraction of this material?

A ray of light in water strikes an air-water interface at an angle of incidence greater than the critical angle. The ray

The ratio of the speed of light in a vacuum to the speed of light in a medium is known as the index of

A pencil partially submerged in a glass of water appears broken or offset because of

The law of reflection applies to

The law of reflection

The angles of incidence and reflection