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

Question 51:

• JAMB 1998

An object is placed in front of two plane mirrors inclined at an angle of 0^o. If the total number of images formed is 7, Find the value of \(\theta\)

A. 30^o
B. 45^o
C. 51^o
D. 90^o

Question 52:

• JAMB 1998

The most suitable type of mirror used for the construction of the search light is the

A. Concave mirror
B. Convex mirror
C. Spherical mirror
D. Parabolic mirror

Question 53:

• JAMB 1998

A man wears convex lens glasses of focal length 30cm in order to correct his eye defect. instead of the optimum 25cm, his least distance of distinct vision is

A. 14cm
B. 28cm
C. 75cm
D. 150cm

Question 54:

• JAMB 1999

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

Question 55:

• JAMB 1999

The inside portion of part of a hollow metal sphere of diameter 20cm is polished. The portion will therefore form a

A. Concave mirror of focal length 5cm
B. Concave mirror of focal length 10cm
C. Convex mirror of focal length 5cm
D. Convex mirror of focal length 20cm