A red laser beam is $1.0\,\text{m}$ long. What is the order of magnitude of the number of wavelengths of the red light in $1.0\,\text{m}$?
- A$10^4$
- B$10^6$
- C$10^8$
- D$10^{10}$
Physics 9702 · AS & A Level · Electromagnetic spectrum
Physics 9702 · AS & A Level · Electromagnetic spectrum
A red laser beam is $1.0\,\text{m}$ long. What is the order of magnitude of the number of wavelengths of the red light in $1.0\,\text{m}$?