10.science Flashcards
Transverse waves
Particle motion is to perpendicular the direction of wave motion
Light even
Mexican wave in a stadium
Longitudinal wave
When the particle of the medium travels parallel to the direction of the wave motion by mean of successive compression or rarefraction
Ex- a slinky
Amplitude
The magnitude of disturbance in the medium on either side of the mean value is called amplitude
larger the amplitude louder the sound
Flequency
Number of oscillation per second is called frequency
expressed in hertz
Loudness of sound depends on its
Amplitude
Audible range of human in hertz
20 hertz to 20 khz known as sonic range
Below 20 Hertz (inaudible)→infrasonic range
Above 20Khz( inaudible) →ultrasonic
Sound below 20 hertz is called
Infrasonic
Sound above 20 kilohertz is called
Ultrasonic
Which afort in India is known for its autistic warning system where are hand glap under a Dom can be heard at the highest point of the hold
Golkonda fort Hyderabad