Question

Calculate the de Broglie wavelength of a body of mass 1 kg moving with a velocity of

1500 ms
51
m
(A) 4.42 x10-27
(B) 2.45x10-37 m
(C) 4.42 x10-35
(D) 3.32 x 10-37






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Answer 1

4.42 × 10⁻³⁷ m

Step-by-step explanation:

Step 1: Given and required data

• Mass of the body (m): 1 kg

• Velocity of the body (v): 1500 m/s

• Planck's constant (h): 6.63 × 10⁻³⁴ J.s

Step 2: Calculate the de Broglie wavelenght (λ) of the body

We will use de Broglie's equation.

λ = h / m × v

λ = (6.63 × 10⁻³⁴ J.s) / 1 kg × (1500 m/s) = 4.42 × 10⁻³⁷ m