Light Energy - Jamb Physics Past Questions and Answers

Question 26:

• JAMB 2017

Calculate the light of the image formed by a pinhole camera of length 12cm used to photograph an object 60cm away from the hole and 70cm high

A. 10 cm
B. 16 cm
C. 5 cm
D. 14 cm

Question 27:

• JAMB 2018

Shadows and eclipses result from the

A. Refraction of light
B. Reflection of light
C. Defraction of light
D. Rectilinear propagation of light

Question 28:

• JAMB 2019

Lamps in domestic lightings are usually in

A. Series
B. Divergent
C. Convergent
D. Parallel

Question 29:

• 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