Question

89. What is the wavelength of wave shown in given figure

(a) 0.6 m
(b) 0.3 m
(c) 0.08 m
(d) 4 cm​

Answer 1

Answer:

Since the wave forms 2 complete cycle and one half cycle so

No of Cycles = 2.5

Let the wavelength of wave = x cm

Here it is given in the question that

2.5 x (x) = 20 cm

x = 8 cm

Can also be written as 0.08 m

Explanation:

Hope it helps you...☺️

Answer 2

( c ) is the correct option

Explanation:

In the figure , the horizontal distance of 20 cm contains 2.5 waves .

Because one wavelength is the distance between two adjacent crests or toughs .

Thus distance of one wave = $\frac{20}{2.5}$  cm  = 8 cm

= 0.08 m

Hence ( c ) is the correct option