mirrorss

A plane miror is moving with velocity 4i+5j+8k.A point object in front of mirror moves with

velocity 3i+4j+5k.Here k is along normal to plane mirror and facing towards object.Then velocity

of image is ????

Ans: 3i+4j+11k

2 Answers

HAVE A LOOK AT IT

http://targetiit.com/iit_jee_forum/posts/optics_simple_4235.html

thanx mani

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∑ ∑ ∑ ∑ ∑ ∮ ∮ ∮ ∮ ∮ ∏ ∏ ∏ ∏ ∏ ∐ ∐ ∐ ∐ ∐

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° ∂ ∞ α β γ δ θ λ μ ν ξ π ρ σ φ ω ε ƒ κ τ υ Γ Δ Λ Σ Π Ω