NEET BIOLOGY

Detailed explanation-1: -Blue light has shorter waves, with wavelengths between about 450 and 495 nanometers. Red light has longer waves, with wavelengths around 620 to 750 nm. Blue light has a higher frequency and carries more energy than red light.

Detailed explanation-2: -The frequency of blue light that has a wavelength of 450 nm is 6.7×1014 6.7 × 10 14 Hz.

Detailed explanation-3: -Compute the energy of a photon of blue light of wavelength 450 nm. E=hc=(6.63×10−34 J⋅s)(2.998×108 m/s)450×10−9 m=4.42×10−19 J=2.76eV.

Detailed explanation-4: -The visible spectrum can be broken up into particular ranges of wavelengths; each corresponding to what we call colors: violet and indigo: 380-450 nm. blue and aqua: 450-500 nm. green: 500-570 nm.

Detailed explanation-5: -450-nm Blue light absorbed → Yellow observed. 490-nm Blue-green light absorbed → Red observed. 570-nm Yellow-green light absorbed → Violet observed.