Question

read and give answer ​

Answer 1

Answer:

6×10^-7m

Explanation:

Refer the image

Answer 2

ⒽⓁⓄ ⓜⓐⓣⓔ

bita = lemda D / d

∆bita = lemda ∆ D / d

I.e, lemda = ∆ bita × d / ∆D

lemda = (10^-3) (0.03×10^-3) /5×10^-2

= 5000A°