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NCERT Exemplar Solutions Class 9 Science Solutions for Sound - Exercise in Chapter 12 - Sound
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In the curve (Fig.12.1) half the wavelength is
(a) A B
(b) B D
(c) D E
(d) A E
Answer:
The answer is (b) B D
Explanation:
Wavelength is the distance between two consecutive troughs. In the graph half, the wavelength will BD.
Video transcript
"hello everyone welcome to leader
learning
i am good preet your science tutor
today's question is
in the curve figure 12.1 here you can
see a curve
half the wavelength is option a
a b option b b d option
c d e or option d a e
so here four options have been given to
you and we have to find out
that from the curve in the figure
the half of the wavelength will be what
so let's start our answer
since wavelength
is the distance
between
two consecutive
troughs
or crust okay and if you see in the
figure
in the graph the half of the wavelength
will be
bd okay
so the correct option for this question
is
option b that is bd
for more such videos please subscribe
leader learning
and for any doubts drop a comment
thank you"
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