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Identify the correct statement (s)...

Identify the correct statement (s)

A

Wavelength associated with the 1 kg ball moving with the velocity 100 `m//s` can't be calculated.

B

Wave nature of the running trains is difficult ot observe because wavelength is extremely small.

C

Wavelength associated with the electron can be calculated using the formulae `E=(hc)/(lambda).`

D

If an electron is accelerated through 20 V potential difference and if it has already 5 eV kinetic energy then wavelength of the electron is approximately `sqrt6 "Å"`

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The correct Answer is:
B, D
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