Question

luke skywalkers light saber is blue while darth vaders is red. which one uses light with a higher energy?
a the red one
b they both have the same energy
c the blue one
question 4 (1 point)
electromagnetic spectr

Explanation:

The energy of light is related to its frequency. Blue light has a higher frequency than red light. According to the formula \(E = h
u\) (where \(E\) is energy, \(h\) is Planck's constant, and \(
u\) is frequency), higher - frequency light has higher energy.

Answer:

C. the blue one