Daily MCQs

What is the frequency range of ultrasonic waves?

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Similar MCQs

Who invented the aeroplane? Identify the correct type of clause in the sentence: “I will go to the market if I have enough time.” Who is known as the 'father of modern chemistry'? On which day is 'International Plastic Bag Free Day' observed? If the sum of 11 consecutive odd numbers is 253, find the first term.