Which is likely to produce the brightest spectra?
A. Holographic gratings
B. Reflection gratings on plastic
C. Transmission gratings on glass
D. Replica transmission gratings on plastic

Acharged particle moves in a circular path in a uniform magnetic field.which of the following would increase the period of the particle's motion? check all that apply.increasing its chargeincreasing its massincreasing the field strengthincreasing its speed