(a) Dispersion of light and colours - 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 2019

In Sunlight, a blue flower looks blue because we see the flower by the light it

A. Receives from our eyes
B. Disperses
C. Absorbed
D. Reflect

Question 3:

• JAMB 1978

The visible part of light consists of the following colours

A. Red, indigo, infra-red, violet, yellow, green and blue
B. Red, green, blue, violet, indigo, orange and yellow
C. Blue, ultra-violet, infra-red, red, yellow, indigo, violet,green and orange
D. Infra-red and ultra-violet
E. Red, orange, yellow, green, blue, indigo and infra-red

Question 4:

• JAMB 1980

In sunlight, a blue flower looks blue because we see the flower by the light it

A. Recieves from our eye
B. Disperses
C. Absorbs
D. Refracts
E. Reflects

Question 5:

• 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.