Ray Optics (BITSAT Physics): Questions 6 - 7 of 7

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Question number: 6

» Ray Optics » Deviation and Dispersion of Light by a Prism

MCQ▾

Question

The angle of minimum deviation for a thin prism with respect to air and when dipped in water will be (aμg=32,aμw=43)

Choices

Choice (4) Response

a.

12

b.

13

c.

18

d.

14

Question number: 7

» Ray Optics » The Eye

MCQ▾

Question

If in Ramsdens’ eye piece, the field lenses have focal length f1andf2 respectively and separated by a distance d then –

Choices

Choice (4) Response

a.

f1=3f2andd=f1+f2

b.

f1=f2andd=f1+f2

c.

f1=23f2andd=23f1

d.

f1=f2andd=23f1

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