Saved Bookmarks
| 1. |
A bulb emits light having λ=5500 ∘A. The bulb is rated as 100 watt and 15% of the energy is emitted as light. How many photons are emitted by the bulb per second? |
|
Answer» A bulb emits light having λ=5500 ∘A. The bulb is rated as 100 watt and 15% of the energy is emitted as light. How many photons are emitted by the bulb per second? |
|