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Rainbow formation is as a result of the combination of which of the following phenomena?
(i) Reflection
(ii) Dispersion
(iii) Total internal reflection
(iv) Refraction

A. (ii) and (iv) only
B. (i), (iii) and (iv) only
C. (ii), (iii) and (iv) only
D. (i), (ii) and (iv) only

View Answer & Discuss (25) JAMB 2023

A beam of light travelling in water is incident on a glass which is immersed in the water. The incident beam makes an angle of \(40^o\) with the normal. Calculate the angle of refraction in the glass.

[Refractive index of water = 1.33, Refractive index of glass = 1.5]

A. \(29.36^o\)
B. \(25.37^o\)
C. \(37.21^o\)
D. \(34.75^o\)

View Answer & Discuss (7) JAMB 2023

Rainbow is formed when sunlight undergoes

A. reflection
B. refraction
C. dispersion
D. diffraction

View Answer & Discuss (2) JAMB 2024

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