Question

The size of a particle is 2µ.
(i)Express it in metre.
(ii)Find the number of particles in 10 m length.

Answer 1

Answer:

i)2×10^-6

ii)5×10^6

Step-by-step explanation:

i) micro= 10^-6 m

to convert micron to metre

2 micron ×10^-6 = 2×10^-6 m

ii) 10/2×10^-6 = 5 ×10^6