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Good morning sir.. Answer is 1st option. Explain it sir.

Good morning sir.. 
Answer is 1st option.
Explain it sir.

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1 Answers

Arun
25758 Points
4 years ago
Dear Raju
 
As ai + bj and ci + bd are unit vectors, their x components represents sin theta
 
1.5 sin i = 2 sin r
 
a x 1.5 = 2 x c
 
a/c = 2 / 1.5 = 4/3
 
Regards
Arun

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