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KVPY2017ChemistryStructure of Atom

A 20 ~g object is moving with velocity 100 ~ms ⁻¹ . The de Broglie wavelength (in m ) of the object is [Planck's constant . h =6.626 10⁻³⁴ ~J ~s ]

Options

  1. A3.313 10⁻³⁴
  2. B6.626 10⁻³⁴
  3. C3.313 10⁻³¹
  4. D6.626 10⁻³¹

Correct answer

A. 3.313 10⁻³⁴

Step-by-step solution

= h m v = 6.626 10⁻³¹ 20 10⁻³ 100 =3.313 10⁻³⁴

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