The wavelength of carrier wave in optical cable fiber is : (A) `900 nm` (B) `2700 nm` (C) `1500 nm` (D) `2000 nm`

The wavelength of light absorbed by Pr form of phytochrome is (A) 680 nm (B) 720 nm (C) 620nm (D) 640nm

The wavelength of light absorbed by Pr form of phytochrome is (a) 620 nm (b) 640 nm (c) 680 nm (d) 720 nm

The red light absorbing form of phytochrome gets converted to the far red absorbing form after it is irradiated with (a) 600 nm (b) 730 nm (c) 700 nm (d) 780 nm

Using figure 22.1, find the relative luminosity of wavelength (a) 480 nm, (b) 520 nm (c ) 580 nm and (d) 600 nm.

Using figure 22.1, find the relative luminosity of wavelength (a) 480 nm, (b) 520 nm (c ) 580 nm and (d) 600 nm.

Cyclic photophosphorylation occurs when only light of wavelengths _______ are available. (i) Below 680 nm (ii) Beyond 680 nm (iii) 400 nm and below (iv) Beyond 400 nm

Cyclic photophosphorylation occurs when only light of wavelengths _______ are available. (i) Below 680 nm (ii) Beyond 680 nm (iii) 400 nm and below (iv) Beyond 400 nm

Wavelengths of different radiations are given below: (A) 300nm (B) 300 mu m (C) 3nm ( 30A^(@) Arrange these radiations in the increasing order of their energies.

Using figure (22.1), find the relative luminosity of wavelength (a) 480 nm, (b) 520 nm (c ) 580 nm and (d) 600 nm.