The wavelength of light absorbed by Pr form of phytochrome is

5

Questions Match

1.
The wavelength of light absorbed by P_r form of phytochrome is

1. 640 nm2. 660 nm3. 720 nm4. 740 nm

2.
The maximum energy in the thermal radiation from a hot source occurs at a wavelength of 11 × 10^–5 cm. According to Wein's law, the temperature of the source (in Kelvin scale) will be n times the temperature of another source (in Kelvin scale) for which the wavelength at maximum energy is 5.5 × 10^–5 cm . The value of n is

1. 22. 43. 4. 1

3.
The wavelength of maximum energy released during an atomic explosion was 2.93 × 10^–10 m. Given that Wein's constant is 2.93 × 10^–3 m-K, the maximum temperature attained must be of the order of

1. 10–7 K2. 107 K3. 10–13 K4. 5.86 × 107 K

4.
At a moment in a progressive wave, the phase of a particle executing S.H.M. is . Then the phase of the particle 15 cm ahead and at the time will be, if the wavelength is 60 cm

1. 2. 3. Zero4.

5.
The wavelength of spherical line for an electronic transition is inversely related to

1. The number of electron undergoing transition2. The nuclear charge of the atom3. The difference in the energy levels involved in the transition4. The velocity of electron undergoing transition

The wavelength of light absorbed by Pr form of phytochrome is