Question

to vapours of different elements which are supposed to be present on the surface of sun.
Band absorption spectrum : When the absorption spectrum is in the form of dark bands, this
Eg: Red
pond.
a)
Line absorption spectrum : In this type, sh
substance is a vapour or a gas. The spectrum obtained from sun give
D
a
known as band absorption spectrum.
Eg: An aqueous solution of KMnO, gives five absorption bands in the green region.
ASSIGNMEN
3.
GOAL - 1
4.
I.
[
MCQ with one correct answer :
Wave length of visible light is
5.
1.
υ
d) cυ
b) co
c)
a)
C
6.
phas
Emission spectrum is always given by the elements when they are in the
d) All the above
7.
c) gaseous
a) solid
b) liquid
Assertion and Reason type questions :​

Answer 1

Answer:

gaseous.

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