Questions from Modern Physics

Q: You are holding an elliptical serving platter. How would you need

You are holding an elliptical serving platter. How would you need to travel for the serving platter to appear round to another observer?

Q: A converging lens with a focal length of 9.00 cm

A converging lens with a focal length of 9.00 cm forms an image of a 4.00-mm-tall real object that is to the left of the lens. The image is 1.30 cm tall and erect. Where are the object and image locat...

Q: The theory of relativity sets an upper limit on the speed that

The theory of relativity sets an upper limit on the speed that a particle can have. Are there also limits on the energy and momentum of a particle? Explain.

Q: A lensmaker wants to make a magnifying glass from glass that has

A lensmaker wants to make a magnifying glass from glass that has an index of refraction n = 1.55 and a focal length of 20.0 cm. If the two surfaces of the lens are to have equal radii, what should tha...

Q: For each thin lens shown in Fig. E34.37,

For each thin lens shown in Fig. E34.37, calculate the location of the image of an object that is 18.0 cm to the left of the lens. The lens material has a refractive index of 1.50, and the radii of cu...

Q: A converging lens with a focal length of 12.0 cm

A converging lens with a focal length of 12.0 cm forms a virtual image 8.00 mm tall, 17.0 cm to the right of the lens. Determine the position and size of the object. Is the image erect or inverted? Ar...

Q: The thin glass shell shown in Fig. E34.15 has

The thin glass shell shown in Fig. E34.15 has a spherical shape with a radius of curvature of 12.0 cm, and both of its surfaces can act as mirrors. A seed 3.30 mm high is placed 15.0 cm from the cente...

Q: Compute the kinetic energy of a proton (mass 1.67

Compute the kinetic energy of a proton (mass 1.67 * 10-27 kg) using both the nonrelativistic and relativistic expressions, and compute the ratio of the two results (relativistic divided by nonrelativi...

Q: An object is 16.0 cm to the left of a

An object is 16.0 cm to the left of a lens. The lens forms an image 36.0 cm to the right of the lens. a. What is the focal length of the lens? Is the lens converging or diverging? b. If the object i...

Q: A 1.20-cm-tall object is 50.

A 1.20-cm-tall object is 50.0 cm to the left of a converging lens of focal length 40.0 cm. A second converging lens, this one having a focal length of 60.0 cm, is located 300.0 cm to the right of the...