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Pitch & Loudness — Homi Bhabha Class 6 Physics MCQs with Solutions
Free Homi Bhabha Class 6 Physics Pitch & Loudness MCQs with step-by-step solutions (10 questions). Part of Sound. Practise online on Prepizo — no login needed.
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Questions with solutions
Q1 — Pitch & Loudness · easy · theory
The pitch of a sound tells us whether it is …
A. Near or far
B. Hot or cold
C. Loud or soft
D. High (shrill) or low (deep) ✓ Correct
Solution: Pitch tells us how high (shrill) or how low (deep) a sound is.
Q2 — Pitch & Loudness · easy · theory
The loudness of a sound tells us …
A. How loud or soft it is ✓ Correct
B. What colour it is
C. How high or low it is
D. How heavy it is
Solution: Loudness tells us how loud or soft a sound is, not how high or low.
Q3 — Pitch & Loudness · easy · theory
Which of these makes a high-pitched (thin, shrill) sound?
A. The beat of a big drum
B. The buzzing of a mosquito ✓ Correct
C. The horn of a truck
D. The roar of a lion
Solution: A mosquito’s buzz is thin and shrill, so it has a high pitch.
Q4 — Pitch & Loudness · easy · theory
Which of these makes a low-pitched (deep) sound?
A. A chirping sparrow
B. A small bell
C. A lion’s roar ✓ Correct
D. A tiny whistle
Solution: A lion’s roar is deep and heavy, so it has a low pitch.
Q5 — Pitch & Loudness · medium · theory
The loudness of sound is measured in units called …
A. Metres
B. Litres
C. Degrees
D. Decibels (dB) ✓ Correct
Solution: Loudness is measured in decibels, written as dB.
Q6 — Pitch & Loudness · medium · theory
When you hit a drum harder, the sound becomes louder. This happens because the drum skin now vibrates with …
A. A larger amplitude (bigger to-and-fro movement) ✓ Correct
B. A brighter colour
C. No movement at all
D. A smaller amplitude
Solution: A bigger amplitude (larger vibration) makes a louder sound.
Q7 — Pitch & Loudness · medium · theory
Faster vibrations of an object produce a sound with a …
A. No sound
B. Lower pitch
C. Softer loudness always
D. Higher pitch ✓ Correct
Solution: The faster an object vibrates, the higher the pitch of the sound.
Q8 — Pitch & Loudness · medium · theory
Usually, whose voice has the higher pitch?
A. A big drum
B. A grown-up man
C. A small child ✓ Correct
D. A large bell
Solution: Children’s voices vibrate faster, so they usually have a higher pitch than a man’s voice.
Q9 — Pitch & Loudness · hard · theory
Two guitar strings are plucked with the same force. The thin, tightly stretched string is plucked. Compared to a thick, loose string, its sound will be …
A. Completely silent
B. Exactly the same pitch
C. Lower in pitch
D. Higher in pitch ✓ Correct
Solution: A thin, tight string vibrates faster, so it gives a higher-pitched sound.
Q10 — Pitch & Loudness · hard · theory
A sound can be loud and yet have a low pitch. Which example shows this best?
A. A faint, high ring of a small bell
B. The deep, loud beat of a big bass drum ✓ Correct
C. A soft, high whistle far away
D. A quiet, high squeak of a mouse
Solution: A bass drum is loud (high loudness) but deep (low pitch), showing the two are different things.