JAMB Physics questions: Dispersion of light and colours

11 questions with answers and explanations. Tap an option to check yourself.

1. Question 1· Dispersion of light and colours· JAMB

   Yellow light can be produced by mixing

   • Ared and blue light
   • Bred and green light
   • Cblue and green light
   • Dred and violet light

   Show answer

   Explanation and discussion

2. Question 2· Dispersion of light and colours· JAMB

   A rainbow is formed by

   • Adiffraction by dust particles
   • Breflection of light from clouds
   • Crefraction, dispersion and internal reflection of sunlight in raindrops
   • Dabsorption of light by water vapour

   Show answer

   Explanation and discussion

3. Question 3· Dispersion of light and colours· JAMB

   The primary colours of light are

   • Ared, yellow and blue
   • Bred, green and blue
   • Cred, orange and violet
   • Dyellow, cyan and magenta

   Show answer

   Explanation and discussion

4. Question 4· Dispersion of light and colours· JAMB

   When white light passes through a prism, which colour is deviated most?

   • Ared
   • Bviolet
   • Cgreen
   • Dyellow

   Show answer

   Explanation and discussion

5. Question 5· Dispersion of light and colours· JAMB

   A white shirt viewed in red light appears

   • Ared
   • Bwhite
   • Cblack
   • Dgreen

   Show answer

   Explanation and discussion

6. Question 6· Dispersion of light and colours· JAMB

   A white shirt viewed through a red filter appears

   • Ablack
   • Bwhite
   • Cred
   • Dblue

   Show answer

   Explanation and discussion

7. Question 7· Dispersion of light and colours· JAMB

   Mixing blue light and yellow light produces

   • Ared light
   • Bgreen light
   • Cno light (black)
   • Dwhite light

   Show answer

   Explanation and discussion

8. Question 8· Dispersion of light and colours· JAMB

   A blue book looks blue in white light because it

   • Aproduces blue light
   • Babsorbs blue light
   • Creflects blue light and absorbs the other colours
   • Dreflects all colours

   Show answer

   Explanation and discussion

9. Question 9· Dispersion of light and colours· JAMB

   Mixing red light and green light produces

   • Ablue light
   • Bwhite light
   • Cyellow light
   • Dbrown light

   Show answer

   Explanation and discussion

10. Question 10· Dispersion of light and colours· JAMB

    In the visible spectrum, the colour between green and indigo is

    • Ablue
    • Byellow
    • Corange
    • Dviolet

    Show answer

    Explanation and discussion

11. Question 11· Dispersion of light and colours· JAMB

    A red cloth viewed in pure green light appears

    • Ablack
    • Bred
    • Cgreen
    • Dwhite

    Show answer

    Explanation and discussion