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Q.

The de-Broglie wavelength associated with a ball of mass 1kg having kinetic energy 0.5 J is

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a

6.626×10−34m

b

13.20×10−34m

c

10.38×10−21m

d

6.626×10−34Å

answer is A.

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Detailed Solution

λ=h2m(KE)=6.626×10−342×1×0.5=6.626×10−34m

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