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General
Easy

Question

The intensity of TV broad cast station of ( E equals 800 S i n invisible function application open parentheses 10 to the power of 9 end exponent t minus k x close parenthesesV/M is...... and the wave length in meter is ......

  1. 850 w m to the power of negative 2 end exponent semicolon 0.6 pi    
  2. 425 w m to the power of negative 2 end exponent colon 0.6 pi    
  3. 850 w m to the power of negative 2 end exponent semicolon 0.3 pi    
  4. 425 w m to the power of negative 2 end exponent semicolon 0.3 pi    

The correct answer is: 850 w m to the power of negative 2 end exponent semicolon 0.6 pi

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