(1) The number of observed nodes in the channel (including nodes on the walls if any) is (a) 0 (b) 1 (c) 2 (b) 1 (d) 3 (2) The number of observed antinodes in the channel (including antinodes on the walls if any) is (a) 0 (c) 2 (d) 3 (e) 4 (3) The wave length of the corresponding water wave is (e) 4
(1) The number of observed nodes in the channel (including nodes on the walls if any) is (a) 0 (b) 1 (c) 2 (b) 1 (d) 3 (2) The number of observed antinodes in the channel (including antinodes on the walls if any) is (a) 0 (c) 2 (d) 3 (e) 4 (3) The wave length of the corresponding water wave is (e) 4
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Transcribed Image Text:5 It is assumed that standing water waves are generated in a channel of two
vertical parallel side walls (separated by distance L) with mean water depth h,
where water waves are reflected at the walls and the channel length is suffi-
ciently large compared with L. Assume that the frequency of the standing
waves is the lowest of the possible values.
(1) The number of observed nodes in the channel (including nodes on the walls
if any) is
(a) 0
(b) 1
(c) 2
(b) 1
(d) 3
(2) The number of observed antinodes in the channel (including antinodes on
the walls if any) is
(a) 0
(c) 2
3
(e) 4
(3) The wave length of the corresponding water wave is
(a) L
(b) 2L
(c) 3L
(e) 4
(d) 4L
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