PRACTICE QUESTIONS FOR TUTORIAL 4

Front

What type of image is formed by a concave mirror when the object is placed between the focal point and the mirror?

Back

The image is magnified and erect.

Front

If a man stands 4m in front of a plane mirror and the mirror is moved 1m towards him, what is the distance between him and his image?

Back

6m

Front

What is the object distance for a concave mirror with a radius of curvature of 40cm that forms a real image twice as large as the object?

Back

30cm

Front

What distance should a lamp be placed from a concave mirror to produce a parallel beam of light?

Back

The focal length of the mirror.

Front

What is the radius of curvature of a concave mirror if it produces a linear magnification of 4 when placed 2.0cm from the object?

Back

3.2cm

Front

Define the focal length of a concave mirror.

Back

The distance from the mirror's surface to its focal point, where parallel rays of light converge.

Front

What happens to the image when the object is placed beyond the center of curvature of a concave mirror?

Back

The image is real, inverted, and diminished.

Front

What is the relationship between the radius of curvature (R) and the focal length (f) of a concave mirror?

Back

f = R/2.

Front

What type of image is formed by a concave mirror when the object is at the focal point?

Back

The image is formed at infinity and is highly magnified.

Front

How does the distance of the object from a concave mirror affect the size of the image?

Back

As the object moves closer to the mirror, the image becomes larger.