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```        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

Navjyot Kalra
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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### Course Features

• 141 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions