Question

As the wavelength is increased from violet to red, the luminosity
(a) continuously increases
(b) continuously decreases
(c) increases then decreases
(d) decreases then increases

Answer 1

Answer:

As the wavelength is increased from violet to red, the luminosity

(a) continuously increases

(b) continuously decreases

(c) increases then decreases

The luminosity first increases up to 555 nm and then decreases.

(d) decreases then increases

Answer 2

Answer:

As the wavelength is increased from violet to red, the luminosity

(a) continuously increases

(b) continuously decreases

(c) increases then decreases✔

(d) decreases then increases