(a) Dispersion of light and colours - Jamb Physics Past Questions and Answers

Question 21:

• JAMB 2009

Which of the following is a secondary colour

A. Blue
B. Orange
C. Red
D. Green

Question 22:

• JAMB 2010

Dispersion occurs when white light passes through a glass prism because of the

A. Different hidden colours in the glass
B. Different speeds of the colour in the glass
C. Defects in the glass
D. High density of the glass

Question 23:

• JAMB 2010

Dispersion occurs when white light passes through a glass prism because of the

A. Different hidden colours in the glass
B. Different speeds of the colour in the glass
C. Defects in the glass
D. High density of the glass

Question 24:

• JAMB 2011

When a red rose flower is observed in blue light, what colour does the observer see?

A. Red
B. Blue
C. Magenta
D. Yellow
E. No correct option

Question 25:

• JAMB 2015

Primary colours of light are

A. Red, blue and green
B. Cyan, magneta and yellow
C. Black, blue and green
D. None of these colours