Two particles A and B are in motion. If the wavelength associated with particle A is  5×10−8 m, calculate the wavelength associated with particle B if its momentum is half of A

Two particles A and B are in motion. If the wavelength associated with particle A is  5×108m, calculate the wavelength associated with particle B if its momentum is half of A

  1. A

    5×108m

  2. B

    105cm

  3. C

    107cm

  4. D

    5×108cm

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    Solution:

    λA=hPA   λB=hPB   PB=12PA(Given) λAλB=hPAhPB=PBPAPutting PB=12PA λAλB=12PAPA λB=2λA             λA=5×108m λB=2×5×108 10×108m           1m = 100 cm =107m=105cm

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