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Grade upto college level IIT JEE Entrance Exam

Wavelength of light of frequency 100 Hz

(a) 2 × 166 m

(b) 3 × 106 m

(c) 4 x 106 m

(d) 5 × 106 m

Profile image of Kevin Nash
12 Years agoGrade upto college level
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1 Answer

Profile image of Aditi Chauhan
12 Years ago

wavelength = 3 × 106 m

(b)

        Frequency (n) = 100 Hz

         v = nl 

       

           

        l = 3 × 106 m

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