Question

1. When the focal length is equal to -15cm, the lens is..
A. Convex
B. Concave
C. None of the above

2. When the image distance is equal to -2.2 cm, the image is.
A. real
B. virtual
C. inverted
D. upside down

3) An image that has the same side of the lens as the object
A. Real Image
B. Fake Image
C. Virtual Image
D. Digital Image

4) An object is placed 20 cm from a convex lens with a focal length of 15 cm. Where
will the image be located?
A. 15 cm
B. 20 cm`
C. 60 cm
D. -8.6 cm

5) An object is placed 10 cm from a concave lens. Its image is formed - 5 cm from the
lens. The image is magnified by factor of
A. - 0.5 cm
B. + 0.5 cm
C. + 2.0 cm
D. – 2.0 cm

Answer 1

Answer:

1 answers A

2 answer A or C

3 answer is C

4 answer is A

5 answer is C