Question

Units of wave number are
Ta
a) cm
b) cm
c)m'
d) Both b and c
I nanometre is
IC
a) 10m
b) 10 m
c) 10 m
d) 10m
In the spectrum of sodium, the wave lengths of two bright lines are
[ ]
a) 5980A, 5896A b) 5890A, 5869A c) 5890A, 5896A d) 5908A', 5689A
White light is passed through potassium permanganate. The spectrum produced by the emergent light
is
[ ]
a) band emission spectrum
b) line emission spectrum
c) band absorption spectrum
d) line absorption spectrum
State True Or False :
A discontinuous spectrum consisting of distinct and well defined lines with dark areas in between is
called line spectrum
[
When a beam of white light is passed through a gas and transmitted light is analysed, the spectrum
obtained is called absorption spectrum
[ ]
1. Assertion and Reason type questions
a) Both A and R are true and R is the correct explanation of A​

Answer 1

Answer:

fjg

fdj

ctwg

fuyfb

fikjb

htyj

htdd

hh

h7

yyryhyh

huhghguyf

gh

hu

vy. gy