Questions from Modern Physics

Q: For what range of object positions does a concave spherical mirror form

For what range of object positions does a concave spherical mirror form a real image? What about a convex spherical mirror?

Q: When a room has mirrors on two opposite walls, an infinite

When a room has mirrors on two opposite walls, an infinite series of reflections can be seen. Discuss this phenomenon in terms of images. Why do the distant images appear fainter?

Q: An object is 18.0 cm from the center of a

An object is 18.0 cm from the center of a spherical silvered-glass Christmas tree ornament 6.00 cm in diameter. What are the position and magnification of its image?

Q: Repeat Exercise 34.24 for the case in which the end

Repeat Exercise 34.24 for the case in which the end of the rod is ground to a concave hemispherical surface with radius 4.00 cm. From Exercise 34.24: The left end of a long glass rod 8.00 cm in diame...

Q: A coin is placed next to the convex side of a thin

A coin is placed next to the convex side of a thin spherical glass shell having a radius of curvature of 18.0 cm. Reflection from the surface of the shell forms an image of the 1.5-cm-tall coin that i...

Q: A student claims that she can start a fire on a sunny

A student claims that she can start a fire on a sunny day using just the sun’s rays and a concave mirror. How is this done? Is the concept of image relevant? Can she do the same thing with a convex mi...

Q: You hold a spherical salad bowl 60 cm in front of your

You hold a spherical salad bowl 60 cm in front of your face with the bottom of the bowl facing you. The bowl is made of polished metal with a 35-cm radius of curvature. a. Where is the image of your...

Q: A concave mirror has a radius of curvature of 34.0

A concave mirror has a radius of curvature of 34.0 cm. a. What is its focal length? b. If the mirror is immersed in water (refractive index 1.33), what is its focal length?

Q: A dentist uses a curved mirror to view teeth on the upper

A dentist uses a curved mirror to view teeth on the upper side of the mouth. Suppose she wants an erect image with a magnification of 2.00 when the mirror is 1.25 cm from a tooth. (Treat this problem...

Q: The bottom of the passenger-side mirror on your car notes

The bottom of the passenger-side mirror on your car notes, “Objects in mirror are closer than they appear.” Is this true? Why?