Question

The de- Broglie wave length of an electron moving with a speed of 6.6 × 10⁵ m/s is approximately

विकल्प

• 10^–11 m

• 10^–9 m

• 10^–7 m

• 10^–5 m

Answer 1

10^–9 m

Explanation:

`lambda = h/(mv)`

= `(6.63 xx 10^-34)/(9 xx 10^-31 6.6 xx 10^15)`

= 10^–9 m