1.

The de Broglie's wavelength of a tennis ballof mass 60 g moving with a velocity of 10metres per second is appoximately1) 10-31 m2) 10-16 m3) 10-254) 1033 m

Answer»

Given mass = 60gm = 0.06kg and v = 10m/s so momentum is mv = 0.6kgm/s

we know that , wavelength. = h/mv

so, wavelength is 6.64 × 10^(-34)/(0.6) ≈ 10^{-33}

option 4.


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