21. What is the wavelength of visible spectrum ? A.1300 A°–3000 A° B.3900 A° – 7600 A° C.7800 A° – 8000 A° D.8500 A° – 9800 A°

user image

Abhishek Mishra

2 years ago

Option B Solution: 3900 A° – 7600 A° is the wavelength of visible spectrum.

Recent Doubts

Close [x]