Optical Instruments - Jamb Physics Past Questions and Answers

Question 41:

• JAMB 2016

The instrument used to view stars is the

A. Prism binoculars
B. Telescope
C. Film projector
D. Microscope

Question 42:

• JAMB 2019

The following are parts of the eye
I. Retina
II. Pupil
III. Iris
The correct equivalent in the camera in the same order are

A. Diaphragm, Aperture, film
B. Aperture, Diaphragm, Film
C. Film, Diaphragm, Aperture
D. Film, Aperture, Diaphragm

Question 43:

• JAMB 2019

The part of the human eye that does similar work as the diaphragm of a camera lens is the

A. Ciliary muscles
B. Pupil
C. Iris
D. Retina

Question 44:

• JAMB 2020

Which of the following statements about defects of vision is/are CORRECT?
I. For a long sighted person, close objects appear blurred
II. For a short sighted person, distant objects appear blurred
III. Short sight is corrected by using a pair of converging lenses

A. I only
B. II only
C. I and II only
D. II and III only

Question 45:

• JAMB 2021

An astronomical telescope is said to be in normal adjustment when the?

A. Eye is accommodated
B. Focal length of an object lens is longer than that of eye piece
C. Final image is at the near point of eye
D. Final image is at infinity