Question

IL
64. Which of the following statement(s) is/are incorrect?
(a) Emission spectra is always continuous spectra
(b) Atomic spectra is also called line spectra
(c) Absorption spectra gives dark lines on the
bright background
(d) Electromagnetic radiations propagate even in
the absence of medium
(1) (b) & (c) only (2) (c) & (d) only
(3) (a) only
(4) (c) only​

Answer 1

Answer:

option 3 only A is incorrect

rest others are correct