Sound of frequency below 20 Hz is:______?
Tap an option to check your answer.
✅ Correct answer: A. Infrasonic
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More Everyday Science MCQs
The most suitable unit for expressing nuclear radius is__?
✅ D. Fermi
Ring planet is Saturn; least dense and 2nd largest planet is____?
✅ A. Saturn
Scalding with steam is more severe than scalding by boiling water because__?
✅ C. Steam contains more energy than boiling water
What causes mumps?
✅ D. Virus
Which lenses are used by people having short-sightedness?
✅ A. Concave
What is meant by “Equinox”?
✅ D. Equal duration of day and night
The main culprit of greenhouse effect is Carbon dioxide. But which is the second element contributing most to greenhouse effect
✅ C. Methane (CH4)
It is a secondary plant nutrient?
✅ C. Sulphur
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