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NEET Physics Standing Waves MCQ Question

Type: MCQ-conceptual-Easy-Class 11

A string fixed at its both ends vibrates in 5 loops as shown in the figure. The total number of nodes and antinodes are respectively

Question diagram
A

5, 6

B

6, 5

C

7, 4

D

4, 7

Correct Answer

Option B

Detailed Explanation

Explanation

Nodes: The string has 5 loops, and for nn loops, the number of nodes is n+1n+1.

5+1=6 nodes5+1=\boxed{6\text{ nodes}}

Antinodes: Each loop contains one antinode.

5 antinodes\boxed{5\text{ antinodes}}

⚡ Quick Revision

  • n loops → n antinodes
  • n loops → n + 1 nodes
  • Fixed ends are always nodes.

Answer

6 nodes and 5 antinodes\boxed{6\text{ nodes and }5\text{ antinodes}}

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