Question
What is the frequency of Ultrasonic
Waves?Solution
The range of human hearing is about 20Hz to 20,000 Hz. Ultrasound waves have frequencies more than 20,000 Hz(which is 20 kHz). As this is above the normal hearing range for humans, we cannot hear ultrasound.
National Botanical Research Institute is situated in which city?
The Kumbh Mela, occurring every 12 years, is hosted in which set of Indian cities?
The First Governor to sign a note in India was:
आयोडीनयुक्त नमक क्या है ?
Which port is positioned at the southernmost point among India's major ports?
Who has taken oath as the Chief Minister of Maharashtra?
World Economic Forum (WEF) launched Global Cybersecurity Centre at:
दुनिया का सबसे व्यस्त समुद्र व्यापार मार्ग है
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Recently the AAYU App has been launched by which state?
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