Optical Instruments - Jamb Physics Past Questions and Answers

Question 26:

• JAMB 2010

Which of the following is used for the correction of short sightedness?

A. Convex lens
B. Concave lens
C. Convex mirror
D. Concave mirror

Question 27:

• JAMB 2010

In comparing the camera and the human eye, the film of the camera function as the

A. Retina
B. Iris
C. Cornea
D. Pupil

Question 28:

• JAMB 2010

Which of the following is used for the correction of short sightedness?

A. Convex lens
B. Concave lens
C. Convex mirror
D. Concave mirror

Question 29:

• JAMB 2011

When the human eye loses its power of accomodation, the defect is known as

A. Short sightedness
B. Presbyobia
C. Astigmatism
D. Long sightedness

Question 30:

• JAMB 2011

A certain far - sighted person cannot see object that are closer to the eye than 50 cm clearly. Determine the power of the converging lens which will enable him to see at 25 cm

A. 0.06 D
B. 0.02 D
C. 0.03 D
D. 0.04 D
E. No option is correct