1.

A radio transmitter operates at a frequency of 880 kHz and a power of 10 kW. The number of photons emitted per second are                                          [CBSE PMT 1990; MP PET 1990]

A.            \[1.72\times {{10}^{31}}\]      
B.            \[1327\times {{10}^{34}}\]
C.            \[13.27\times {{10}^{34}}\]   
D.            \[0.075\times {{10}^{-34}}\]
Answer» B.            \[1327\times {{10}^{34}}\]


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