If two waves represented by \[{{y}_{1}}=4\sin \omega t\] and \[{{y}_{2}}=3\sin \left( \omega t+\frac{\pi }{3} \right)\] interfere at a point, the amplitude of the resulting wave will be about [MP PMT 2000]

• A. 7
• B. 6
• C. 5
• D. 3.5