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Grade: upto college level
        The wavelength associated with a golf ball weighing 200g and moving at a speed of 5 m/h is of the order

a. 10-10 m
b. 10-20 m
c. 10-30 m
d. 10-40 m
5 years ago

Answers : (2)

Navjyot Kalra
askIITians Faculty
654 Points
							Using the de-Broglie’s relationship :
λ = h/mv  =  〖6.625  × 10〗^(-34)/(0.2  × 5/(60  × 60)) = 2.3 × 10-30 m

						
5 years ago
Bhupendra Verma
15 Points
							
Wavelength=h/mv,
                     =6.6*10-34 j-s/ 200*10-3kg*5/3600
                     =3.3*10-31*36/5
                     =118.8*10-31/5
                     =23*10-31
                    =2.3*10-31 (ans)
                    =10-30 (ans)
one year ago
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