Table of Contents
In which type of wave is energy transmitted in?
electromagnetic waves
In electromagnetic waves, energy is transferred through vibrations of electric and magnetic fields. In sound waves, energy is transferred through vibration of air particles or particles of a solid through which the sound travels. In water waves, energy is transferred through the vibration of the water particles.
Which is true about the velocity of sound waves in solids compared to air?
Sound travels fastest through solids. This is because molecules in a solid medium are much closer together than those in a liquid or gas, allowing sound waves to travel more quickly through it. In fact, sound waves travel over 17 times faster through steel than through air.
Which type of wave has particles moving an elliptical or circular motion?
In surface wave, the wave is neither transverse nor longitudinal. It travels in circular motion. The particles travel both parallel and perpendicular to the direction of the wave propagation. Therefore, Particles in a surface wave move in an elliptical or circular motion.
Which type of wave is described as a wave that is not confined to the space along the medium?
Traveling waves
Traveling waves are observed when a wave is not confined to a given space along the medium. The most commonly observed traveling wave is an ocean wave. If a wave is introduced into an elastic cord with its ends held 3 meters apart, it becomes confined in a small region.
How energy is transmitted?
Energy is transferred in waves through the vibration of particles, but the particles themselves move in a perpendicular fashion to the horizontal movement of the wave. Energy is transformed between potential (stored) and kinetic (movement) energy as the particles go from rest to movement and back to rest.
How is energy transferred in transverse waves?
The particles involve vibrate around in compressions and rarefractions which would be perpendicular to the oscillation. Energy transfer is work done and work done is force x displacement. The particles get displaced while exerting a force hence energy is transferred.
Why are sound waves transmitted faster in solids?
Sound travels more quickly through solids than through liquids and gases because the molecules of a solid are closer together and, therefore, can transmit the vibrations (energy) faster. Musical instruments vibrate to produce sound.
Which is true about the velocity of sound waves?
Sound has a velocity of about 0.33 km per second (0.2 mile per second) in air, 1.5 km per second in water, and 5 km per second in steel. All sound waves travel with the same speed in air regardless of their frequency.
What wave particles move in a circular motion?
While waves that travel within the depths of the ocean are longitudinal waves, the waves that travel along the surface of the oceans are referred to as surface waves. A surface wave is a wave in which particles of the medium undergo a circular motion. Surface waves are neither longitudinal nor transverse.
What kind of waves has a circular movement of particles?
In a water wave all particles travel in clockwise circles. However, in a Rayleigh surface wave, particles at the surface trace out a counter-clockwise ellipse, while particles at a depth of more than 1/5th of a wavelength trace out clockwise ellispes.
Does energy travel in a standing wave?
Unlike the travelling waves, the standing waves do not cause a net transport of energy (because the two waves which make them up are carrying equal energy in opposite directions). Notice that the particles right at the edge of the standing wave do not move.
What are transverse and longitudinal waves?
Transverse waves cause the medium to move perpendicular to the direction of the wave. Longitudinal waves cause the medium to move parallel to the direction of the wave.