Question

Which of the following statement(s) is/are incorrect
regarding photoelectric effect?
( The number of electrons ejected is proportional to the
intensity of light.
(1) There is some time lag between the striking of light
beam on the metal surface and the ejection of electrons.
(ii) The kinetic energy of ejected electrons depends upon
the brightness of light.
(iv) The kinetic energy of the ejected electron is
proportional to the frequency of the incident radiation.
(a) (i) and (ii)
(b) (ii) and (iii)
(c) (ii) only
(d) (ii) and (iv)​

Answer 1

Answer:

I think c option

I thik so

I am not pretty sure

Answer 2

Answer:

C is the correct one I am 50% sure