Propagation of light - Jamb Physics Past Questions and Answers

Question 11:

• JAMB 2011

The eclipse of the sun occurs when the

A. Moon is between the sun and the earth
B. Earth is between the sun and the moon
C. Moon is not completely hidden in the earth's shadow
D. Moon's umbra falls on some part of the earth

Question 12:

• JAMB 2014

An object is placed 10m from a pinhole camera of length 25cm. Calculate the linear magnification.

A. 2.5x10²
B. 2.5x10^-2
C. 2.5x10^-1
D. 2.5x10¹

Question 13:

• JAMB 2019

The pin-hole camera produces a less sharply defined image when the

A. Pin-hole is larger
B. Illumination is less
C. Screen is further from the pin-hole
D. Object is further from the pin-hole