Neon gas is generally used in the sign boards. If it emits strongly at `616 nm`, calculate
Channel: Doubtnut
Date: 2020-07-12

Neon gas is generally used in the sign boards. If it emits strongly at `616 nm`, calculate  a. The frequency of emission,  b. The distance travelled by this radiation in `30 s`  c. The energy of quantum and  d. The number of quanta present if it produces `2 J` of energy.