Question

Ans: 5.3
2. The wavelength of light of a particular colour is
6,380 Å. Express it in nanometre and metre.
Ans: 638 nm and 6.38 x 10-7m, respectively.​

Answer 1

Answer:

The wavelength of light of a particular colour is

6,380 Å. Express it in nanometre and metre.

Ans: 638 nm and 6.38 x 10-7m, respectively

Explanation:

5.3

Answer 2

Answer:

6380 A

= 6380×10^-10 m

= 638× 10× 10^-10 m

= (638 × 10^-9) m

= (638 ) nm