Exam 24: Wave Optics: Part A

A converging lens with two convex surfaces has a front surface with radius of curvature of 10.0 cm;the back surface has radius of curvature of 30.0 cm,and the lens is made from material with an index of refraction of 2.50.What is the focal length of the lens?

When white light disperses as it passes through a prism,which of the following colors moves at the highest speed in the prism?

A slab of material 1 rests on the surface of a slab of material 2.A light ray in material 1 has an angle of incidence of 30° on the interface between the materials,while the ray in material 2 has an angle of refraction of 45°.What is the critical angle of incidence for total internal reflection for a ray of light going from material 2 to material 1?

For a converging lens with two convex surfaces,the radius of curvature for both surfaces is 20 cm.If the focal length is 10 cm,what must the index of refraction be?

A ray of light strikes a thick sheet of glass (n = 1.5)at an angle of 46° with the normal.Find the angle of the refracted ray within the glass with respect to the normal.

When the midpoint of the face of the Sun appears to be on the horizon,where is the actual midpoint from the point of view of the observer?

What is the image distance of an object 1.00 m in front of a converging lens of focal length 25.0 cm?

A certain kind of glass has n_blue = 1.650 for blue light and n_red = 1.610 for red light.If a beam of white light (containing all colors)is incident at an angle of 60.0°,what is the angle between the red and blue light inside the glass?

A ray of light strikes a thick sheet of glass (n = 1.5)at an angle of 39° with the normal.Find the angle of the ray reflected off the glass surface with respect to the normal.

A ray of light is incident on a liquid-to-glass interface at an angle of 42°.Indices of refraction for the liquid and glass are,respectively,1.63 and 1.52.What is the angle of refraction for the ray moving through the glass?

Three materials with n₁ < n₂ < n₃ are arranged in layers of uniform thickness.A light ray in air enters the first layer at an angle of incidence of 40° and the ray eventually exits the third layer at the refracted angle θ in air.What is the value of θ?

If a virtual image is formed 8.00 cm along the principal axis from a convex mirror of focal length -15.0 cm,how far is the object from the mirror?

The magnification for a flat mirror:

A beam of light is incident upon a flat piece of glass (n = 1.50)at an angle of incidence of 60°.Part of the beam is transmitted and part is reflected.What is the angle between the reflected and transmitted rays?

When light goes through two or more separated lenses,

A ray of light is incident on the mid-point of a glass prism surface at an angle of 25.0° with the normal.For the glass,n = 1.55,and the prism apex angle is 40.0°.What is the angle of refraction as the ray enters the air on the far side of the prism? The surfaces involved are those of the apex angle.

A 4.0-cm tall object is placed along the principal axis of a thin,convex lens of 30.0-cm focal length.If the object distance is 40.0 cm,which of the following best describes the image distance and height,respectively?

A convex mirror with a focal length of −20 cm forms an image 12 cm behind the surface.If the object height is 1.2 cm what is the image height?

An underwater scuba diver sees the Sun at an apparent angle of 45.0° from the vertical.How far is the sun above the horizon? (n_water = 1.333)

What is the angle of incidence on an air-to-glass boundary if the angle of refraction in the glass (n = 1.60)is 25°?