Questions from Modern Physics

Q: For a convex spherical mirror that has focal length f = -

For a convex spherical mirror that has focal length f = -12.0 cm, what is the distance of an object from the mirror’s vertex if the height of the image is half the height of the object?

Q: The focal length of a simple lens depends on the color (

The focal length of a simple lens depends on the color (wavelength) of light passing through it. Why? Is it possible for a lens to have a positive focal length for some colors and negative for others?...

Q: Repeat Exercise 34.5 for the case in which the mirror

Repeat Exercise 34.5 for the case in which the mirror is convex. From Exercise 34.5 An object 0.600 cm tall is placed 16.5 cm to the left of the vertex of a concave spherical mirror having a radius...

Q: A transparent liquid fills a cylindrical tank to a depth of 3

A transparent liquid fills a cylindrical tank to a depth of 3.60 m. There is air above the liquid. You look at normal incidence at a small pebble at the bottom of the tank. The apparent depth of the p...

Q: For a concave spherical mirror that has focal length f = +

For a concave spherical mirror that has focal length f = +18.0 cm, what is the distance of an object from the mirror’s vertex if the image is real and has the same height as the object?

Q: The diameter of Mars is 6794 km, and its minimum distance

The diameter of Mars is 6794 km, and its minimum distance from the earth is 5.58 * 107 km. When Mars is at this distance, find the diameter of the image of Mars formed by a spherical, concave telescop...

Q: A person is lying on a diving board 3.00 m

A person is lying on a diving board 3.00 m above the surface of the water in a swimming pool. She looks at a penny that is on the bottom of the pool directly below her. To her, the penny appears to be...

Q: According to the discussion in Section 34.2, light rays

According to the discussion in Section 34.2, light rays are reversible. Are the formulas in the table in this chapter’s Summary still valid if object and image are interchanged? What does reversibilit...

Q: The left end of a long glass rod 6.00 cm

The left end of a long glass rod 6.00 cm in diameter has a convex hemispherical surface 3.00 cm in radius. The refractive index of the glass is 1.60. Determine the position of the image if an object i...

Q: The glass rod of Exercise 34.22 is immersed in oil

The glass rod of Exercise 34.22 is immersed in oil (n = 1.45). An object placed to the left of the rod on the rod’s axis is to be imaged 1.20 m inside the rod. How far from the left end of the rod mus...