14. What happen to wave length associated with moving particles in its velocity reduce to half, (a) Wave length become half O (b) Wave length remain same 0 (c) Wave length remain double 0 (d) Wave length zero
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Answer:
∠BAC=70° , ∠BAX=42°
Now,
∠BAC=∠BAX+∠XAC
70°=42°+∠XAC
∠XAC=28°
Explanation:
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