MHT CET202416 May 2024Evening ShiftChemistryStructure of AtomActual
What is de Broglie's wavelength for a particle having mass 6.64 10⁻²⁷ ~kg moving with velocity of 3 10^3 ~ms ⁻¹ ? [ ~h =6.63 10⁻³⁴ Js ]
Options
- A0.111 nm
- B0.0333 nm
- C1.22 nm
- D2.42 nm
Correct answer
B. 0.0333 nm
Step-by-step solution
aligned & = h mv = 6.63 10⁻³⁴ ~J . s 6.64 10⁻²⁷ ~kg 3 10^3 ~ms ⁻¹ & =0.0333 10⁻⁹ ~m & =0.033 ~nm aligned