1.

Give distance between consecutive nodes and antinodes in terms of wavelength.

Answer»

`lamda`
`(lamda)/(2)`
`(lamda)/(4)`
`2lamda`

Solution :DISTANCE of `n^(th)` node from `X =0` is
`x _(N) = (nlamda)/(2)`
Distance of `n^(th)` ANTINODE from `x =0` is,
`x _(A) = (n + (1)/(2)) (lamda)/(2)`
REQUIRED distance is,
`x _(A) - x _(N) = (n + (1)/(2)) (lamda )/(2) - (n lamda )/( 2)`
`therefore x_(A) - x _(N) = (lamda )/(4)`


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