An incident ray that is parallel to the principal axis...

will refract through the focal point

will reflect parallel to the principal axis

will reflect through the center of curvature

will continue along the same path through the lens

How does a concave lens differ from a convex lens?

A convex lens has a thick center and thin edges, a concave lens has a thin center and thicker edges

A convex lens is another way to describe a plane mirror; a concave lens is curved

A concave lens is curved inward on both sides; a convex lens is on only one side

A convex lens has a thin center and thick edges. a concave lens has a thick center and thinner edges

A ____ lens is sometimes called a converging lens because it_____.

convex, makes parallel light rays passing through it bend inward and meet (converge) at a spot just beyond the lens known as the focal point.

convex; makes parallel light rays curve outward or diverge

concave; makes parallel light rays travel at a faster speed than before they encountered the lens

concave; makes parallel light rays passing through it bend inward and meet (converge) at a spot just beyond the lend known as the focal point.

Which describes a convex lens?

thicker in the middle than on the edges

thicker on the edges than in the middle

Which of the following statements are true of virtual images?

Virtual images are always upright.

Virtual images as formed by lenses are always located on the same side of the lens as the object.

Virtual images can be formed by both converging lenses (when the object is inside of F) and diverging lenses (regardless of the object location).

Which of the following best describes the image formed by a plane mirror?

virtual, upright and the same size as object

real, upright and the same size as object

Rays of light traveling parallel to the principal axis of a concave mirror will come together _____.

at a point half way to the focal point.

Which of the following statements is/are true of a virtual image?

Virtual images are always located behind the mirror.

Virtual images can be magnified in size, reduced in size or the same size as the object.

Virtual images can be formed by concave, convex and plane mirrors.

Is it possible to see a virtual image?

Yes, the rays that appear to emanate from a virtual image can be focused on the retina just like those from an illuminated object.

No, since the rays that seem to emanate from a virtual image do not in fact emanate from the image.

No, since virtual images do not really exist.

Yes, since almost everything we see is virtual because most things do not themselves give off light, but only reflect light coming from some other source.

Yes, but only indirectly in the sense that if the virtual image is formed on a sheet of photographic film, one could later look at the picture formed.

A light ray, traveling parallel to a concave mirror's axis, strikes the mirror's surface near its midpoint. After reflection, this ray

passes through the mirror's focal point.

again travels parallel to the mirror's axis.

travels at right angles to the mirror's axis.

passes through the mirror's center of curvature.

If you stand in front of a concave mirror, exactly at its focal point,

you won't see your image because there is none.

you won't see your image because it's focused at a different distance.

you will see your image, and you will appear smaller.

you will see your image and you will appear larger.

you will see your image at your same height.

An object is positioned between a concave mirror's center of curvature and its focal point. The image produced by the mirror is located

out past the center of curvature.

between the center of curvature and the focal point.

A single concave spherical mirror produces an image which is

real only if the object distance is greater than f.

real only if the object distance is less than f.

A negative magnification for a mirror means

the image is inverted, and the mirror is concave.

the image is inverted, and the mirror is convex.

the image is inverted, and the mirror may be concave or convex.

the image is upright, and the mirror is convex.

the image is upright, and the mirror may be concave or convex.

The images formed by concave lenses

could be real or virtual; it depends on whether the object distance is smaller or greater than the focal length.

could be real or virtual, but always real when the object is placed at the focal point.

Refresh the Chapter 6 Concept

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Physics

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60 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A student is 2.50m away from a convex lens while her image is 1.80m from the lens, what is the focal length?

1.05m

2.50m

1.39m

0.72m

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An object is placed at a distance of 27.0 cm away from a thin convex lens with a focal length of 9.00 cm. How far from the lens is the image located and what type of image is formed?

13.5 cm and real

3.00 cm and real

0.33 cm and virtual

0.15 cm and virtual

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The line that passes through the center of a curved mirror is called

focal point

center of curvature

principle axis

light ray

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The following is a picture of what type of mirror?

Convex Mirror

Concave Mirror

Plane Mirror

Flat Mirror

The following is a picture of what type of mirror?

Convex Mirror

Concave Mirror

Plane Mirror

Flat Mirror

An image that you can see , but does not really exist is called which of the following?

Real Image

Fake Image

Virtual Image

Digital Image

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the position of the image when an object is placed between the centre of curvature and the focus of a concave mirror?

At the focus

At the centre of curvature

Beyond the centre of curvature

Between the focus and the centre of curvature

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Refresh the Chapter 6 Concept

A student is 2.50m away from a convex lens while her image is 1.80m from the lens, what is the focal length?

An object is placed at a distance of 27.0 cm away from a thin convex lens with a focal length of 9.00 cm. How far from the lens is the image located and what type of image is formed?

The line that passes through the center of a curved mirror is called

The following is a picture of what type of mirror?

The following is a picture of what type of mirror?

An image that you can see , but does not really exist is called which of the following?

What is the position of the image when an object is placed between the centre of curvature and the focus of a concave mirror?

A real image having a size of 10 cm is formed by a concave mirror. The size of the object is 5 cm.The magnification of the object is

An object is placed 10 cm from a convex mirror. Its image is formed 5 cm behind the mirror.The focal length of the given convex mirror is

an image that forms when light rays actually meet

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