Red light in a parallel beam with wavelength $700\,\text{nm}$ falls normally on a diffraction grating with $400$ lines per millimetre. How many transmitted maxima are there in total?
- A3
- B4
- C6
- D7
Physics 9702 · AS & A Level · The diffraction grating
Physics 9702 · AS & A Level · The diffraction grating
Red light in a parallel beam with wavelength $700\,\text{nm}$ falls normally on a diffraction grating with $400$ lines per millimetre. How many transmitted maxima are there in total?