The pin-hole camera - Jamb Physics Past Questions and Answers

Question 1:

• JAMB 2019

If the time of flight is 96seconds, calculate the horizontal range through the point of projection.

A. 84400m
B. 69000m
C. 61440m
D. 24000m

Question 2:

• JAMB 1991

The image in a pin-hole camera is

A. Errect and formed by refraction through a lens
B. Virtual and formed by dispersion
C. Erect and gets sharper as the hole becomes larger
D. Inverted and formed by the light from each point travelling in a straight line

Question 3:

• JAMB 2008

An object of height 4cm is placed in front of a cuboid pinhole camera of size 6 cm. if the image formed is 2 cm high, how far is the object from the pinhole?

A. 3.0 cm
B. 8.0 cm
C. 12.0 cm
D. 16.0 cm

Question 4:

• 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 5:

• 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