Let λe, λp and λd be the wavelengths associated with an electron, a proton and a deuteron, all moving with the same speed. Then the correct relation between them is
(A) λd > λp > λe
(C) λp> λe > λd
(B) λe > λp > λd
(D) λe = λp = λd
Correct Answer : Option (B) λe > λp > λd
More Questions : The ratio of the number of turns of the primary to the secondary coils in an ideal transformer is 20: 1. If 240 V ac is applied from a source to the primary coil of transformer and a 6.0 Q resistor is connected across the output terminals, then current drawn by the transformer from the source will be-
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