Diagrams (a) and (b) in Fig. 4.34 below show the refraction of a ray of light of single colourthrough a prism and a parallel sided glass slabrespectively(b)Fig. 4.34(1) In each diagram, label the incident, refracted.emergent rays and the angle of deviation.(11) In what way the direction of the emergent ray inthe two cases differ with respect to the incidentray ? Explain your answer.

Diagrams (a) and (b) in Fig. 4.34 below show the refraction of a ray

1.	Diagrams (a) and (b) in Fig. 4.34 below show the refraction of a ray of light of single colourthrough a prism and a parallel sided glass slabrespectively(b)Fig. 4.34(1) In each diagram, label the incident, refracted.emergent rays and the angle of deviation.(11) In what way the direction of the emergent ray inthe two cases differ with respect to the incidentray ? Explain your answer.
Answer» through a prism and a parallel sided glass slabrespectively(B)FIG. 4.34(1) In each diagram, label the incident, refracted.emergent rays and the angle of deviation.(11) In what way the DIRECTION of the emergent ray inthe two CASES differ with respect to the INCIDENTRAY ? Explain your answer

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