Science, asked by manu395, 1 year ago

Ultrasound has frequency of vibration
A 20000Hz
B. Above 20000Hz
C. Below 20000Hz
D. B/w. 20-20000Hz

Answers

Answered by TheGravityBoy2082
5
Ultrasound. The range of human hearing is about 20 Hz to 20,000 Hz. Ultrasound waves have frequencies above about 20,000 Hz (which is 20 kHz). As this is above the normal hearing range for humans, we cannot hear ultrasound.


B
Answered by ShashiWWE
3
Ultrasound has frequency of vibration Above 20000Hz
ShashiWWE: Please Mark anyone a Brainiset Answer
ShashiWWE: And if you mark anyone as A Brainiest So you will get some points Back So please mark me as Brainiest
Previous Question
Next Question
Similar questions
Math, 8 months ago
what is the minomial of degree 20​...
Accountancy, 8 months ago
B. X और Y फर्म में साझेदार हैं । वे लाभालाभ 2:1 के अनुपात में बाँटते हैं। उनकी पूँजी क्रमश: 24,000 तथा र 12,000 है। इन्होंने Z को इस शर्त पर फर्म में साझेदार बनाया है कि वह ₹ 9,000 ख्याति के लिए और ₹ 15,000 पूँजी के लिए लायेगा और वह फर्म के लाभ में 1/3 भाग का अधिकारी होगा। यह मानते हुए कि नये साझेदार ने पूँजी और ख्याति नकद लगायी है, जर्नल के लेखे कीजिए और नये लाभ-हानि का अनुपात निकालिए जबकि : (1)...
Physics, 8 months ago
the quantity of a solute present in a given amount of a solution represents-...
Math, 1 year ago
plz soli it by middle term spliting {x}^{2} - 2x - 252...
English, 1 year ago
cbse 10 ka result cgpa ya percentage me aayega?
Math, 1 year ago
prove this question please /\...
Social Sciences, 1 year ago
Some details about our prime minister of India.
Math, 1 year ago
find the area of triangle,two sides of which are 60 m and 80 m and perimeter is 260 m...