Selina solutions

Selina solutions

Grade 8

Sound | Short/Long Answer Questions

Question 12

Q12) Why is the loudness of sound heard by a plucked wire increased when mounted on a soundboard?

Solution:

When wire is mounted on a soundboard, the surface area of vibrating air increases and it sends a greater amount of energy forward. Hence, the amplitude of vibration is large and louder is the sound.

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subject-cta

Question 12

Q12) Why is the loudness of sound heard by a plucked wire increased when mounted on a soundboard?

Solution:

When wire is mounted on a soundboard, the surface area of vibrating air increases and it sends a greater amount of energy forward. Hence, the amplitude of vibration is large and louder is the sound.

Still have questions? Our expert teachers can help you out

Book a free class now

Want to top your physics exam ?

Learn from an expert tutor.

Book a free class now
subject-cta
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