Question

What is the frequency of violet colour of wavelength 4000A°?
(a) 7.5*10^10Hz
(b) 7.5*10^12Hz
(c) 7.5*10^14Hz
(d) 3.75*10^16Hz​ Please give me the understanding explanation

Answer 1

Answer:

c/π=frequency

Explanation:

c is the correct answer

Answer 2

options c

I hope this answers help you