A concave mirror has a radius of curvature of 26.0 cm. An object that is 2.4 cm tall is placed 30.0 cm from the mirror. a. Where is the image position? b. What is the image height?

A light ray strikes a plane mirror at an angle of $28^{\circ}$ to the normal. If the light source is moved so that the angle of incidence increases by $34^{\circ}$, what is the new angle of reflection?

A light ray strikes a plane mirror at an angle of $28^{\circ}$ to the normal. If the light source is moved so that the angle of incidence increases by $34^{\circ}$, what is the new angle of reflection?

At what angle should the axes of two Polaroids be placed so as to reduce the intensity of the incident unpolarized light by an additional factor (after the first Polaroid cuts it in half) of $4$ ?

Shiny spheres that are placed on pedestals on a lawn are convex mirrors. One such sphere has a diameter of 40.0 cm. A 12-cm-tall robin sits in a tree that is 1.5 m from the sphere. Where is the image of the robin and how tall is the image?

An experiment on the Earth's magnetic field is being carried out $1.00 \mathrm{~m}$ from an electric cable. What is the maximum allowable current in the cable if the experiment is to be accurate to $\pm 3.0 \%$ ?

An unknown particle moves in a straight line through crossed electric and magnetic fields with $E=1.5 \mathrm{kV} / \mathrm{m}$ and $B=0.034 \mathrm{~T}$. If the electric field is turned off, the particle moves in a circular path of radius $r=2.7 \mathrm{~cm}$. What might the particle be?

A jeweler inspects a watch with a diameter of 3.0 cm by placing it 8.0 cm in front of a concave mirror of 12.0-cm focal length. a. Where will the image of the watch appear? b. What will be the diameter of the image?

A cup sits 17 cm from a concave mirror. The image of the book appears 34 cm in front of the mirror. What are the magnification and orientation of the cup’s image? A. 0.5, inverted. B. 0.5, upright. C. 2.0, inverted. D. 2.0, upright.

An electron is projected vertically upward with a speed of $1.70 \times 10^6 \mathrm{~m} / \mathrm{s}$ into a uniform magnetic field of $0.480 \mathrm{~T}$ that is directed horizontally away from the observer. Describe the electron's path in this field.

An electron is projected vertically upward with a speed of $1.70 \times 10^6 \mathrm{~m} / \mathrm{s}$ into a uniform magnetic field of $0.640 \mathrm{~T}$ that is directed horizontally away from the observer. Describe the electron's path in this field.

Sunlight falls on a concave mirror and forms an image that is 3.0 cm from the mirror. An object that is 24 mm tall is placed 12.0 cm from the mirror. a. Sketch the ray diagram to show the location of the image. b. Use the mirror equation to calculate the image position. c. How tall is the image?

A 3.0-cm-tall object is 22.4 cm from a concave mirror. If the mirror has a radius of curvature of 34.0 cm, what are the image position and height?

How far does the image of a car appear behind a convex mirror, with a focal length of -6.0 m, when the car is 10.0 m from the mirror?