Q. Visible spectrum of the light has a wavelength in the range of: (Solved)
1. 1000 to 4000 ao
2. 4000 to 7000 ao
3. 7500 to 12500 ao
4. 12500 to 30000 ao
- b. 4000 to 7000 ao
1. 1000 to 4000 ao
2. 4000 to 7000 ao
3. 7500 to 12500 ao
4. 12500 to 30000 ao