Refraction of Light Through at Plane and Curved Surfaces - Jamb Physics Past Questions and Answers

Question 1:

• JAMB 1978

The angular dispersion of a prism depends on

A. The index of refraction only
B. The angle of incidence as well as the index of refraction
C. The angle of incidence only
D. The thickness of the prism
E. The prism angle

Question 2:

• JAMB 1978

The angular dispersion of a prism depends on

A. The index of refraction only
B. The angle of incidence as well as the index of refraction
C. The angle of incidence only
D. The thickness of the prism
E. The prism angle

Question 3:

• JAMB 1980

Given that SQ = 10cm and SP = 6cm, the refractive index of a block of glass shown above is

A. 0.30
B. 0.60
C. 1.67
D. 2.33
E. 2.36

Question 4:

• JAMB 1981

The absolute refractive indices of glass and water are \(\frac{3}{2}\) and \(\frac{4}{3}\) respectively. The refractive index at the interface when a ray travels from water to glass is

A. \(\frac{1}{2}\)
B. \(\frac{8}{9}\)
C. \(\frac{9}{8}\)
D. \(\frac{17}{12}\)
E. 2

Question 5:

• JAMB 1982

If the refractive index of a medium is V2, what is the critical angle?

A. 45^o
B. 50^o12'
C. 56^o25'
D. 75^o
E. 90^o