Match List-I with List-II
List-I (Metal) |
List-II (Emitted light wavelength (nm)) |
A. Li | i. 670.8 |
B. Na | ii. 589.2 |
C. Rb | iii. 780.0 |
D. Cs | iv. 455.5 |
Metal | Li | Na | K | Rb | Cs |
Colour | Crison-red | Yellow | Violet | Red violet | Blue |
λ/nm | 670.8 | 589.2 | 766.5 | 780.0 | 455.5 |