The relation between time and displacement for two particles is given by \[{{y}_{1}}=0.06\sin 2\pi (0.04t+{{\varphi }_{1}})\], \[{{y}_{2}}=0.03\sin 2\pi (1.04t+{{\varphi }_{2}})\] The ratio of the intensity of the waves produced by the vibrations of the two particles will be [MP PMT 1991]

• A.            2 : 1                                          
• B.            1 : 2
• C.            4 : 1                                          
• D.            1 : 4