Give four practical uses of ultrasonic vibrations.
(N/A) $(i)$ They are used for dissipating fog on runways at airports.
$(ii)$ They are used in dishwashing machines to clean delicate objects.
$(iii)$ They are used for homogenizing milk.
$(iv)$ They are used for welding metals like tungsten.
$(ii)$ They are used in dishwashing machines to clean delicate objects.
$(iii)$ They are used for homogenizing milk.
$(iv)$ They are used for welding metals like tungsten.
Explore More
Similar Questions
Two friends were playing on identical guitars whose strings were adjusted to give notes of the same pitch. Will the quality of the two notes be the same? Give a reason for your answer.
Medium
View SolutionGive one example each of natural vibration,forced vibration,and resonance.
Medium
View Solution$(a)$ Why does the stage of an auditorium have a curved background,curtains,carpets,and a false ceiling?
$(b)$ The sound of a ringing bell inside a vacuum chamber cannot be heard. Why?
$(b)$ The sound of a ringing bell inside a vacuum chamber cannot be heard. Why?
Medium
View Solution$(a)$ What is reverberation? Write two ways of reducing reverberation.
$(b)$ Distinguish between tone and note.
$(c)$ With the help of a simple diagram,explain how defects in a metal block can be detected using ultrasound.
$(b)$ Distinguish between tone and note.
$(c)$ With the help of a simple diagram,explain how defects in a metal block can be detected using ultrasound.
Difficult
View Solution$A$ ship sends out ultrasound waves that are detected after $4 \, s$ upon reflection from the seabed. If the speed of ultrasound through seawater is $1550 \, m \, s^{-1}$,find the distance of the seabed from the ship. (in $, m$)
Medium
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo