Light Energy - Jamb Physics Past Questions and Answers

Question 11:

• JAMB 2005

The sharpness of the boundary of the shadow of an object is determined by the

A. Intensity of light striking the object
B. Rays of light passing through the object
C. Nature of the object
D. Opacity of the object

Question 12:

• JAMB 2006

Non-luminous object can be seen because they

A. Reflect light
B. Are near
C. Are polished
D. Emit light

Question 13:

• JAMB 2007

The phenomenon of light bending round an obstacle is?

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

Question 14:

• JAMB 2008

I. Total internal reflection of light.
II. Conservation of light energy.
III. Relative motion of the earth, sun and moon.
IV. Rectilinear propation of light.
which of the above is a phenomenon of total solar eclipse?

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

Question 15:

• 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