Ray Optics-Reflection and Refraction of Light (KVPY (Kishore Vaigyanik Protsahan Yojana) Stream-SA (Class 11) Physics): Questions 1 - 2 of 2

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Question number: 1

» Ray Optics » Reflection and Refraction of Light » Spherical Surface

Appeared in Year: 2011

MCQ▾

Question

A student sees the top edge and the bottom center C of a pool simultaneously from an angle θ above the horizontal as shown in the figure. The refraction index of water which fills up to the top edge of the pool is Equation . If Equation then cos θ is,

Pool of depth h and length x

Pool of Depth H and Length X

In figure a pool of depth h and length x is shown. A student sees the top edge and bottom center C of the pool simultaneously from an angle theta above the horizontal.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 2

» Ray Optics » Reflection and Refraction of Light

Appeared in Year: 2010

Short Answer Question▾

Write in Short

A point source is placed 20 cm to the left of a concave lens of focal length 10 cm.

(a) Where is the image formed?

(b) Where to the right of the lens would you place a concave mirror of focal length 5 cm such that the final image is coincident with the source?

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