Science Objective Questions and Answers: Chapter 13 Sound
Explore reliable objective questions for Chapter 13 Sound tailored for Class 8 learners. Utilizing these Science multiple-choice formats ensures thorough preparation and strengthens problem-solving speed for upcoming school assessments.
Download Chapter 13 Sound MCQs with Answers
Access the complete set of multiple-choice questions for Chapter 13 Sound below. This focused format allows students to isolate specific topics for thorough review and uninterrupted practice alongside official CBSE textbooks.
Question. Sound is produced by
a) Non-Vibrating objects only
b) Vibrating and non- vibrating objects
c) Vibration has no relation to sound
d) Vibrating objects only
Answer: D
Question. Sound cannot travel through
a) vacuum
b) air
c) water
d) solids
Answer: A
Question. Vibration is also known as
a) Vibratory motion
b) Translatory motion
c) Oscillatory motion
d) None of these
Answer: C
Question. Frequency is expressed in
a) Kilometer
b) Hertz
c) gram
d) Degree centigrade
Answer: B
Question. The number of oscillations per second is called
a) Amplitude of oscillation
b) Pitch of oscillation
c) Frequency of oscillation
d) None of the above
Answer: C
Question. Above _____ dB the sound becomes physically painful
a) 60
b) 40
c) 120
d) 80
Answer: D
Question. When the amplitude of vibration is large, sound produced is
a) No sound
b) feeble
c) loud
d) No relation between amplitude and sound
Answer: C
Question. Human can hear sound in the range of
a) 200-2000 Hz
b) 20-20,000 Hz
c) 2-20000 Hz
d) 2000-200000 Hz
Answer: B
Question. An ultrasound equipment works at frequency
a) Higher than 20,000 Hz
b) Higher than 10,000 Hz
c) Lower than 20,000 Hz
d) Lower than 10,000 Hz
Answer: A
Question. Voice of man is heavy compared to a woman because
a) Female vocal cord is longer
b) Male vocal cord is shorter
c) Male vocal cord is longer
d) The concept is not related
Answer: C
Question: Noise pollution is harmful for
a) All
b) Human
c) Cat
d) Bird
Answer: A
Question: Sound propagates maximum in
a) Solid
b) Gas
c) Liquid
d) All
Answer: A
Question: Voice box or larynx of human process
a) Sound
b) Wind
c) Loudness
d) None of the options
Answer: A
Question: To an fro motion of an object is called
a) Vibration
b) Waves
c) Amplitude
d) All of these
Answer: A
Question: Sound is kind of
a) Energy
b) Work
c) Force
d) None of the options
Answer: A
Question: The pitch of sound depends on
a) Frequency
b) Amplitude
c) Frequency and amplitude
d) None of the options
Answer: A
Question: Large amplitude of sound vibrations will produce:
a) Loud sound
b) Meak sound
c) Slow sound
d) Sheark
Answer: A
Question: The voice box is called:
a) Larynx
b) Stomach
c) Heart
d) Mouth
Answer: A
Question: The hearing range of human ear is
a) 20 hz to 20,000 hz
b) Less than 20 hz
c) More than 20,000 hz
d) 20 hz to 25,000 hz
Answer: A
Question: Eardrum is a part of
a) Hearing organ
b) Sound producing organ
c) Skeletal system
d) Reproductive organ
Answer: A
Question. An Object Is Vibrating At 50 Hz. What Is Its Time Period?
(a) 0.02 s
(b) 2 s
(c) 0.2 s
(d) 20 s
Answer : A
Question. Consider The Following Statements And Choose The Correct One:
(a) The pitch of a sound depends on the frequency of vibration.
(b) If the frequency of vibration is low, the sound produced has a low pitch.
(c) If the frequency of vibration is high, the sound produced has a high pitch.
(d) All the above.
Answer : D
Question. The pitch of sound depends on
(a) frequency
(b) amplitude
(c) both of these
(d) none of these
Answer : A
Question. When the amplitude is small, the sound produced is:
(a) loud
(b) feeble
(c) low pitched
(d) none of these
Answer : B
Quesiton. Large amplitude of sound vibrations will produce:
(a) loud sound
(b) slow sound
(c) meak sound
(d) shreak
Answer : A
Question. Sound waves do not travel through
(a) solids
(b) gases
(c) liquids
(d) vacuum
Answer : D
Question. In sitar sound Is produced by:
(a) beating
(b) rubbing
(c) blowing
(d) plucking
Answer : A
Question. A shehnai produces sound from:
(a) vibrating strings
(b) vibrating membrane
(c) vibrating air column
(d) none of these
Answer : C
Question. Sound:
(a) can travel through vacuum
(b) cannot travel through vacuum
(c) sound can sometimes travel through
(d) none of these vacuum
Answer : B
Question. The Loudness Of Sound Is Determined By Its:
(a) Amplitude of vibration
(b) Ratio of amplitude and frequency of vibration
(c) Frequency of vibration
(d) Product of amplitude and frequency of vibration
Answer : A
Free study material for Science
Practice MCQs for Class 8 Science Chapter 13 Sound
Chapter MCQs with Answers for Class 8 Science
Test your conceptual understanding of Chapter 13 Sound with these targeted multiple-choice questions. Designed in alignment with the latest CBSE curriculum for Class 8 Science, these problem sets build accuracy and prepare students for objective exams.
Expert Practice Material for Class 8 Science
Built using the official NCERT book for Class 8, these Science objective sets provide reliable academic guidance. Pair your practice with our recommended NCERT solutions to master optimal problem-solving approaches.
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FAQs
You can get most exhaustive CBSE Class 8 Science Sound MCQs for free on StudiesToday.com. These MCQs for Class 8 Science are updated for the 2026-27 academic session as per CBSE examination standards.
Yes, our CBSE Class 8 Science Sound MCQs include the latest type of questions, such as Assertion-Reasoning and Case-based MCQs. 50% of the CBSE paper is now competency-based.
By solving our CBSE Class 8 Science Sound MCQs, Class 8 students can improve their accuracy and speed which is important as objective questions provide a chance to secure 100% marks in the Science.
Yes, Science MCQs for Class 8 have answer key and brief explanations to help students understand logic behind the correct option as its important for 2026 competency-focused CBSE exams.
Yes, you can also access online interactive tests for CBSE Class 8 Science Sound MCQs on StudiesToday.com as they provide instant answers and score to help you track your progress in Science.