Two waves are approaching each other with a velocity of

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Two waves are approaching each other with a velocity of 20 m/s and frequency n. The distance between two consecutive nodes is

1. 20/π
2. 10/n
3. s/n
4. θ/10

Correct Option: B

Distance between two successive nodes

=	λ	=	v	=	20	=	20
	2		2n		2n		2n

	where λ =	v
		n