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Mechanics

Blazing goIITian

Joined:	13 Dec 2008
Post:	611

4 Feb 2009 20:16:38 IST

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440

GOOD TIMEPASS

None

HEREZ A GUD QUESTION I CAME ACROSS.......HOPE U GUYS ENJOY IT..........................

S1 S2 S3 ARE 3 COHIRENT SOURCES !!!!!!!!!!!!!!!!!!!!!!!!!

DA RED DOT REP. A DETECTOR KEPT AT DDA MIDPOINT OF DA RIGHTANGLE TRIANGLE GIVEN .........

INTENSITY DETECTED IS.........

A)MAXIMUM

B)ZERO

C)NEITHER MAX NOR MIN

D)INFO NT SUFF.

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Comments (6)

Ankit Rana

Blazing goIITian

Joined: 29 Nov 2008

Posts: 461

4 Feb 2009 20:44:32 IST

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Property of a right angled triangle

Median from the vertex from the right angle is of half the length of the hypotenuse

so at the detector S1, S2 and S3 will have the same phase and hence it is a point of maxima

shraman asa

Blazing goIITian

Joined: 13 Dec 2008

Posts: 611

4 Feb 2009 20:47:14 IST

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nahin yaar ankit itz rong ..............Median from the vertex from the right angle is of half the length of the hypotenuse only if itz an isosels right angle triangle ........... da correct answer is information insufficent............................cuz dey havnt metioned wat kinda rt angle triangle it is...

Ankit Rana

Blazing goIITian

Joined: 29 Nov 2008

Posts: 461

4 Feb 2009 21:10:32 IST

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no yaar sharman it is always true

shraman asa

Blazing goIITian

Joined: 13 Dec 2008

Posts: 611

4 Feb 2009 21:15:22 IST

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ONLY IF 90-@ = @ ITZ TRUE

Ankit Rana

Blazing goIITian

Joined: 29 Nov 2008

Posts: 461

4 Feb 2009 21:18:03 IST

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ur fast man

Atul Mohan

Cool goIITian

Joined: 24 Jan 2009

Posts: 44

4 Feb 2009 21:23:40 IST

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hi dude is it d.,,,only if u know the distance from s2 to red pt you can drcide something....anyway s1 & s3 contribute a maximum at the pt. if s2 has same distance as the others to red pt .then its a maxima..am i right yaar

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