How many photons are emitted per second by a green 532 nm laser pointer and a red 635 nm laser pointer, both with an output power of 5 mW?
a)9.02×10¹⁵ and 6.31×10¹⁵ respectively.
b)6.31×10¹⁵ and 9.02×10¹⁵respectively.
c) 9.02×10¹⁵ and 9.02×10¹⁵ respectively.
d) 6.31×10¹⁵ and 6.31×10¹⁵ respectively.