Light Energy - Jamb Physics Past Questions and Answers

Question 16:

• JAMB 2008

An object placed at the bottom of a well full of clear water appears closer to the surface due to?

A. Diffraction
B. Reflection
C. Refraction
D. Polarization

Question 17:

• JAMB 2009

I. Moon.
II. Sun.
III.street light.
IV. stars.
Which of these above is a natural source of light?

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

Question 18:

• 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 19:

• JAMB 2013

The particle nature of light is demonstrated by the

A. Photoelectric effect
B. Speed of light
C. Colours of light
D. Diffraction of light

Question 20:

• 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