Question

A particle having a mass of 1 mg has a velocity of 1 Km/sec. Calculate the wavelength of the particle.

पर्याय

• 6.626 × 10⁻²⁸ cm

• 6.626 × 10⁻²⁹ cm

• 6.626 × 10⁻³⁰ cm

• 6.626 × 10⁻³¹ cm

Answer 1

6.626 × 10⁻²⁹ cm

Explanation:

λ = `"h"/"mv"`

= `(6.626 xx 10^-27)/(10^-3 xx 10^5)`

= `(6.626 xx 10^-27)/10^2`

= 6.626 × 10⁻²⁹ cm