CBSE Class 8 Science Sound MCQs
Refer to CBSE Class 8 Science Sound MCQs provided below available for download in Pdf. The MCQ Questions for Class 8 Science with answers are aligned as per the latest syllabus and exam pattern suggested by CBSE, NCERT and KVS. Multiple Choice Questions for Chapter 13 Sound are an important part of exams for Class 8 Science and if practiced properly can help you to improve your understanding and get higher marks. Refer to more Chapter-wise MCQs for CBSE Class 8 Science and also download more latest study material for all subjects
नीचे दिए गए CBSE कक्षा 8 विज्ञान ध्वनि MCQs देखें जो पीडीएफ में डाउनलोड के लिए उपलब्ध हैं। कक्षा 8 विज्ञान के लिए MCQ प्रश्न उत्तर के साथ CBSE, NCERT और KVS द्वारा सुझाए गए नवीनतम पाठ्यक्रम और परीक्षा पैटर्न के अनुसार संरेखित हैं। अध्याय 13 ध्वनि के लिए बहुविकल्पीय प्रश्न कक्षा 8 विज्ञान के लिए परीक्षाओं का एक महत्वपूर्ण हिस्सा हैं और यदि ठीक से अभ्यास किया जाए तो आपको अपनी समझ को बेहतर बनाने और उच्च अंक प्राप्त करने में मदद मिल सकती है। CBSE कक्षा 8 विज्ञान के लिए अधिक अध्याय-वार MCQs देखें और सभी विषयों के लिए अधिक नवीनतम अध्ययन सामग्री भी डाउनलोड करें
MCQ for Class 8 Science Chapter 13 Sound
Class 8 Science students should refer to the following multiple-choice questions with answers for Chapter 13 Sound in Class 8.
कक्षा 8 विज्ञान के छात्रों को कक्षा 8 में अध्याय 13 ध्वनि के उत्तर के साथ निम्नलिखित बहुविकल्पीय प्रश्नों का संदर्भ लेना चाहिए।
Chapter 13 Sound MCQ Questions Class 8 Science with Answers
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