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Chapter 31: Problem 11

Is the image on a movie screen real or virtual? How do you know?

Short Answer

Expert verified
The image on a movie screen is real because it's formed by converging rays of light and can be captured on a screen.

Step by step solution

01

Understanding the Properties of Real and Virtual Images

Images formed in optics can be real or virtual. A real image is formed where rays of light meet after reflection or refraction. This image can be captured on a screen. A virtual image, however, is formed when the rays appear to diverge from a point after reflecting or refracting and cannot be captured on a screen.
02

Assess the Movie Screen

A movie projector casts light from the projector to form an image on a screen. The beam of light from the projector comes together (converges) at the screen to form the image.
03

Determine the Type of Image

Since the image formed by a movie projector on a screen is where rays of light converge, it is a real image. The fact that this image can be captured on a screen further confirms this conclusion.

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Most popular questions from this chapter

Viewed from Earth, the Moon subtends an angle of \(0.5^{\circ}\) in the sky. How large an image of the Moon will be formed by the \(3.6-\mathrm{m}-\) diameter, 8.5 -m-focal-length mirror of the Canada-FranceHawaii Telescope?

A particular eye has a focal length of \(2.0 \mathrm{cm}\) instead of the 2.2 \(\mathrm{cm}\) that would put a sharply focused image on the retina. (a) Is this eye nearsighted or farsighted? (b) What corrective lens is needed?

You're given two lenses with different diameters. Knowing nothing else, you can conclude that a. the larger lens is faster. b. the smaller lens has the shorter focal length. c. the smaller lens suffers less spherical aberration. d. none of the above

Show that identical objects placed equal distances on either side of the focal point of a concave mirror or converging lens produce images of equal size. Are the images of the same type?

An object is \(28 \mathrm{cm}\) from a double-convex lens with \(n=1.5\) and curvature radii \(35 \mathrm{cm}\) and \(55 \mathrm{cm} .\) Where is the image, and what type is it?
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