Electromagnetic spectrum - Jamb Physics Past Questions and Answers

Question 1:

• JAMB 2019

If the time of flight is 96seconds, calculate the horizontal range through the point of projection.

A. 84400m
B. 69000m
C. 61440m
D. 24000m

Question 2:

• JAMB 1983

Which of the following arrangements in the sequence shown can be used to obtain a pure spectrum of white light?

A. Source, slit, converging lens, prism, converging lens, screen.
B. Source, slit, diverging lens, prism, diverging lens, screen.
C. Source, converging lens, prism, diverging lens, screen.
D. Source, slit, prism, diverging lens, converging lens, screen.
E. Source, slit, prism, diverging lens, sreen.

Question 3:

• JAMB 1984

The spectrum of white light consists of coloured lights arranged in the following order

A. Blue, red, green, yellow, indigo, violet, orange
B. Red, orange, yellow, green, blue, indigo, violet
C. Red, orange, yellow, indigo, green, blue, violet
D. Indigo, green, blue, violet, yellow, red, orange
E. Yellow, blue, green, violet, orange, indigo, red

Question 4:

• JAMB 1988

When white light is dispersed by a spectrometer, the component having the shortest wavelength is

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