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Cool goIITian

Joined:	16 May 2008
Post:	79

25 Nov 2008 19:39:50 IST

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400

a simple plane mirror problem....rates assured

None

Q - 2 plane mirrors M1 abd M2 are inclined at an angle theta......... a ray of light parallel to M1 strikes M2 and after 2 reflections the ray becomes parallel to M2 ..... find theta......

the answer is 60.... if i take the incident angle to be the same in both cases of reflection then i get the answer but is that possible ?? shouldnt they be different in each case ???

pls reply guys.....

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harsh

Scorching goIITian

Joined: 3 May 2008

Posts: 288

26 Nov 2008 13:42:07 IST

Like 4 people liked this

hope u got it frm the diagram ......

RATE IF USEFUL...CORRECT IF WRONG!!!!!

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