Reflection of Light at Plane and Curved Surfaces - Jamb Physics Past Questions and Answers

Question 81:

• JAMB 2010

An object 4 cm high is placed 15 cm from a concave mirror of focal length 5 cm. The size of the image is

A. 2 cm
B. 3 cm
C. 4 cm
D. 5 cm

Question 82:

• JAMB 2008

Convex mirror are used as driving mirrors because images formed are?

A. Erect, virtual and diminished
B. Erect, real and diminished
C. Erect, virtual and magnified
D. Inverted virtual and diminished

Question 83:

• JAMB 2010

An object 4 cm high is placed 15 cm from a concave mirror of focal length 5 cm. The size of the image is

A. 2 cm
B. 3 cm
C. 4 cm
D. 5 cm

Question 84:

• JAMB 2011

An image in a convex lens is upright and magnified 3 times. If the focal length of the lens is 15 cm, what is the object distance?

A. 10 cm
B. 25 cm
C. 16 cm
D. 14 cm

Question 85:

• JAMB 2012

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

A. 3m
B. 5m
C. 6m
D. 10m