Ans : The antinode is the point along the standing wave having the maximum amplitude. Hence, antinodes are the fixed points with maximum amplitude. The amplitude of any standing wave is given by 2asinkx. For the antinodes, kx = (n + 1/2).

Table of Contents

## What is an antinode in physics?

Antinodes are points on a stationary wave that oscillate with maximum amplitude. Nodes are points of zero amplitude and appear to be fixed.

## How do you find the antinode of a standing wave?

## What is antinode in physics class 11?

Antinodes are points of maximum displacements (at crests and toughs) from the mean position. Amplitude is maximum at antinodes.

## Is antinode maximum displacement?

Antinodes are the points on stationary wave with maximum displacement and maximum pressure change. Nodes are the point of zero displacement of particle and here pressure is also minimum.

## What is the distance between node and Antinode?

The distance between a node (N) and adjoining antinode (A) is ฮป/4.

## How do you calculate nodes and antinodes?

Hence, the standing wave has a maximum amplitude at the antinode while the minimum amplitude at the node. Hence, the endpoints of any standing waves are nodes. Therefore, the amplitude of the standing wave is given by: 2asin kx, where x represents the position of nodes or antinodes, and a is the amplitude.

## Are antinodes constructive or destructive?

All standing wave patterns consist of nodes and antinodes. The nodes are points of no displacement caused by the destructive interference of the two waves. The antinodes result from the constructive interference of the two waves and thus undergo maximum displacement from the rest position.

## What happens at the antinode of a wave?

Midway between each pair of nodes are locations where the amplitude is maximum. These are called the antinodes. At these points the two waves add with the same phase and reinforce each other.

## How many antinodes does a wavelength have?

Hence, there are two antinodes and three nodes in a full wavelength of a standing wave.

## How many nodes must be there between two antinodes?

The number of nodes between two consecutive antinodes is one.

## How many nodes and antinodes are in a single wavelength?

Answer and Explanation: Hence, there are two antinodes and three nodes in a full wavelength of a standing wave.

## Why pressure is maximum at displacement antinode?

Displacement and Pressure A node for displacement is always an antinode for pressure and vice versa, as illustrated below. When the air is constrained to a node, the air motion will be alternately squeezing toward that point and expanding away from it, causing the pressure variation to be at a maximum.

## What are nodes and antinodes in physics 12?

Hint: A node is defined as a point along a standing wave where the particles travelling along the wave are stationary. Here, the wave has minimum amplitude. The points that undergo the maximum displacement during each vibrational cycle of the standing wave are called antinodes.

## Is pressure change least at antinode?

Antinodes are the points on stationary wave with maximum displacement and maximum pressure change. Nodes are the point of zero displacement of particle and here pressure is also minimum.

## What is the amplitude at antinode?

Solution : Amplitude at nodal point =0

Amplitude at antinodal point = 2A = maximum amplitude in a stationary wave

(Where A = amplitude of one of two component waves of stationary waves). Step by step solution by experts to help you in doubt clearance & scoring excellent marks in exams.

## Why pressure is maximum at node?

At nodes, the displacement of the particle remains minimum, strain is minimum and thus pressure is maximum.

## Is sound louder at node or antinode?

Explain. Sound is produced due to variation of pressure and it is louder where pressure variation is maximum. The strain is maximum at nodes and hence the pressure, therefore the sound is louder at nodes.

## What is the distance between two consecutive antinodes?

The distance between the two successive nodes or two successive antinodes in a specific stationary wave is half of wavelength.

## What is the length between two nodes called?

โฆthe stem is called a node, and the region between successive nodes is called an internode.

## What is the total number of nodes and antinodes in the standing wave?

What is the total number of nodes and antinodes in the standing wave? Answer: Five nodes and four anti-nodes.

## How many antinodes does a closed pipe have?

When it vibrates in third overtone, there are four nodes and four antinodes.

## How do you find the number of nodes in a wave?

The number of nodes in a stationary wave = n=2L/ฮป

## How are antinodes created in a stationary wave?

(b) Antinodes are created in a stationary wave when an incident and its reflected waves are superposed and 180ยฐ out of phase.

## What is the formula for constructive interference?

Condition for constructive interference: ฮL = nฮป, where n is any integer. Condition for destructive interference: ฮL = (n + ยฝ)ฮป, where n is any integer.