Lakhmir singh solutions
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Question 70

A musical instrument is producing a continuous note. This note cannot be heard by a person having a normal hearing range. This note must then be passing through:

a) water

b) wax

c) vacuum

d) empty vessel

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The correct answer is c) vacuum

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Our top 5% students will be awarded a special scholarship to Lido.

subject-cta

Question 70

A musical instrument is producing a continuous note. This note cannot be heard by a person having a normal hearing range. This note must then be passing through:

a) water

b) wax

c) vacuum

d) empty vessel

Looking to do well in your science exam ? Learn from an expert tutor. Book a free class!

The correct answer is c) vacuum

Our top 5% students will be awarded a special scholarship to Lido.

subject-cta
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