UPSEE 2019 Solved Paper

Given value,
Weight of a golf ball =200g
Moving with speed =5m∕h=

5

60×60

=

5

3600

m∕sec
From de-Broglie equation; λ=

h

mv

Here, h is proportionality constant of plank constant =6.626×10−34kgm2s−1
Wavelength,λ=

6.626×10−34

200×10−3× 5 3600 m∕sec

=

6.62×3600×10−34

1000×10−3

Order of wavelength =10−30m
Hence, option (c) is correct.