Astanding wave is a wave that appears fixed or stationary in space.

true or false

I am pretty sure that the statement : A standing wave is a wave that appears fixed or stationary in space is TRUE. I consider this one to be correct because it is the example of waves which occured due to the opposite direction of two progressive vawes. Hope it's clear!

The given statement is true.

Explanation:

Standing wave is a stationary wave. It oscillates in time. But the peak amplitude does not move in space.

This is the wave which appear to be vibrating vertically.

When the amplitude is minimum at a point then that point is called node.

When the amplitude is maximum at a point then that point is called anti node.

Therefore, the given statement is true.

L = 22.97 H

Explanation:

Given that,

Capacitance,

Oscillation frequency, f = 0.5 Hz

The frequency of an AC circuit is given by :

Where

L is impedance

So, the impedance of LC circuit 22.97 H.