Refer to CBSE Class 9 Science Sound MCQs provided below. CBSE Class 9 Science MCQs with answers available in Pdf for free download. The MCQ Questions for Class 9 Science with answers have been prepared as per the latest syllabus, CBSE books and examination pattern suggested in Class 9 by CBSE, NCERT and KVS. Multiple Choice Questions for Chapter 12 Sound are an important part of exams for Class 9 Science and if practiced properly can help you to get higher marks. Refer to more Chapter-wise MCQs for CBSE Class 9 Science and also download more latest study material for all subjects
MCQ for Class 9 Science Chapter 12 Sound
Class 9 Science students should refer to the following multiple-choice questions with answers for Chapter 12 Sound in Class 9. These MCQ questions with answers for Class 9 Science will come in exams and help you to score good marks
Chapter 12 Sound MCQ Questions Class 9 Science with Answers
Question. If the wave is propagating having the number of waves shown in the figure per second ,then the frequency of the wave is
(a) 5Hz
(b) 6Hz
(c) 3Hz
(d) 10Hz
Answer : A
Question. The characteristic of sound which enables us to distinguish one sound from another having the same pitch and loudness
(a) Timber
(b) Amplitude
(c) Shrillness
(d) Intensity
Answer : A
Question. Sound waves with frequency less than 20 Hz and more than 20000 Hz is called
(a) Supersonic and ultrasonic
(b) Sonic boom and supersonic
(c) Infrasonic and sonic boom
(d) Infrasonic and ultrasonic
Answer : D
Question. The product of time-period and frequency is
(a) Infinity
(b) Zero
(c) Unity
(d) None of these
Answer : C
Question. Sound waves are
(a) Longitudinal
(b) Partly longitudinal, partly transverse
(c) Transverse
(d) Sometimes longitudinal, sometimes transverse
Answer : A
Question. The time period of a simple pendulum in a spacecraft orbiting the earth is
(a) Infinity
(b) Zero
(c) One second
(d) Two seconds
Answer : A
Question. Speed of sound in vacuum is
(a) 300 m/s
(b) 600m/s
(c) 380m/s
(d) 340m/s
Answer : D
Question. The sound which is produced due to a mixture of several frequencies is called
(a) A note
(b) A tone
(c) Frequency
(d) Amplitude
Answer : A
Question. Pitch of the wave is measured in terms of
(a) Speed of the wave
(b) Amplitude of the wave
(c) Frequency of the wave
(d) Time period of the wave
Answer : C
Question. The distance between any two compressions or rarefactions in a longitudinal wave is
(a) One wavelength
(b) Half wavelength
(c) Twice the wavelength
(d) One fourth wavelength
Answer : A
Question. Sound waves are
(a) Longitudinal in n nature
(b) Transverse in nature
(c) Electromagnetic in nature
(d) Magnetic in nature
Answer : A
Question. Compression is a region of
(a) No pressure
(b) Low pressure
(c) Atmospheric pressure
(d) High pressure
Answer : D
Question. For its propagation sound requires
(a) All of the above
(b) Air
(c) Water
(d) Iron
Answer : A
Question. SI unit of frequency is
(a) Meter
(b) Hertz
(c) M/s
(d) M/s2
Answer : B
Question. In gases a sound wave is
(a) Longitudinal only
(b) Transverse only
(c) Both Transverse and Longitudinal
(d) Neither Transverse Nor Longitudinal
Answer : C
(a) 10m.s
Question. Before the main shock waves, the earthquake produces the characteristic sound waves which some animals like rhinoceros can hear. Can you guess the kind of sound waves produced here?
(a) Infrasonic sounds
(b) Ultrasonic sounds
(c) Audible Sounds
(d) None of these
Answer : A
Question. The bats can fly in the darkness of night without colliding with the other objects by emitting special sounds while flying. Which characteristic of sound is used by the bats to navigate?
(a) Ultrasound
(b) Infrasound
(c) Audible sound
(d) None of these
Answer : A
Question. Which of the following can produce longitudinal as well as transverse waves under different conditions?
(a) Bats
(b) Slinky
(c) Tuning fork
(d) None of these
Answer : B
Question. You must have seen the doctor checking the sounds produced in the chest or heartbeat of a patient using a medical instrument called Stethoscope. On what principle does this Stethoscope work?
(a) Multiple refractions
(b) Multiple reflections
(c) Wave motion
(d) None of these
Answer : B
Question. You must have seen the doctor checking the sounds produced in the chest or heartbeat of a patient using a medical instrument called Stethoscope. On what principle does this Stethoscope work?
(a) Multiple refractions
(b) Multiple reflections
(c) Wave motion
(d) None of these
Answer : B
Question. The bats can fly in the darkness of night without colliding with the other objects by emitting special sounds while flying. Which characteristic of sound is used by the bats to navigate?
(a) Ultrasound
(b) Infrasound
(c) Audible sound
(d) None of these
Answer : A
Question. The sound can travel in air when:
(a) Particles of medium travel from one place to another
(b) There is no moisture in the atmosphere
(c) Disturbance travel from one place to another
(d) Both particles as well as disturbance travel from one place to another
Answer : C
Question. On increasing the temperature, the speed of sound in air:
(a) Increases
(b) Decreases
(c) Does not change
(d) First increases then becomes constant
Answer : A
Question Loudness measures the sound energy reaching the ear per second and depends on the amplitude of the sound wave. What is the unit used to measure the loudness of sound?
(a) hertz
(b) decibel
(c) meter/second
(d) second
Answer : B
Question . We can distinguish between a man’s voice and a woman’s voice of the same loudness even without seeing them. This is due to a characteristic of sound which measures the shrillness of sounds. Can you choose the correct unit of the quantity on which this characteristic of sound depends?
(a) hertz
(b) meter/second
(c) meter
(d) unitless
Answer : A
Question . The sound can travel in air when:
(a) Particles of medium travel from one place to another
(b) There is no moisture in the atmosphere
(c) Disturbance travel from one place to another
(d) Both particles as well as disturbance travel from one place to another
Answer : C
Question. Which of the following can produce longitudinal as well as transverse waves under different conditions?
(a) Bats
(b) Slinky
(c) Tuning fork
(d) None of these
Answer : B
Question. The bats can fly in the darkness of night without colliding with the other objects by emitting special sounds while flying. Which characteristic of sound is used by the bats to navigate?
(a) Ultrasound
(b) Infrasound
(c) Audible sound
(d) None of these
Answer : A
Question. If the speed of a wave is 380 m/s and its frequency is 1900 Hz, then the wavelength of the wave will be:
(a) 20 m
(b) 0.2 m
(c) 200 m
(d) 2 m
Answer : B
Question. A key of mechanical piano is first struck gently and then struck again but much harder this time. What kind of change in sound will you observe in the second case:
(a) Sound will be louder but the pitch will not be different
(b) Sound will be louder and the pitch will also be higher
(c) Sound will be louder but the pitch will be lower
(d) Both loudness and pitch will remain unaffected
Answer : C
Question. On increasing the temperature, the speed of sound in air:
(a) Increases
(b) Decreases
(c) Does not change
(c) First increases then becomes constant
Answer : A
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CBSE Class 9 Science Chapter 12 Sound MCQs
We hope students liked the above MCQs for Chapter 12 Sound designed as per the latest syllabus for Class 9 Science released by CBSE. Students of Class 9 should download the Multiple Choice Questions and Answers in Pdf format and practice the questions and solutions given in above Class 9 Science MCQs Questions on daily basis. All latest MCQs with answers have been developed for Science by referring to the most important and regularly asked topics which the students should learn and practice to get better score in school tests and examinations. Studiestoday is the best portal for Class 9 students to get all latest study material free of cost.
MCQs for Science CBSE Class 9 Chapter 12 Sound
Expert teachers of studiestoday have referred to NCERT book for Class 9 Science to develop the Science Class 9 MCQs. If you download MCQs with answers for the above chapter daily, you will get higher and better marks in Class 9 test and exams in the current year as you will be able to have stronger understanding of all concepts. Daily Multiple Choice Questions practice of Science and its study material will help students to have stronger understanding of all concepts and also make them expert on all critical topics. You can easily download and save all MCQs for Class 9 Science also from www.studiestoday.com without paying anything in Pdf format. After solving the questions given in the MCQs which have been developed as per latest course books also refer to the NCERT solutions for Class 9 Science designed by our teachers
Chapter 12 Sound MCQs Science CBSE Class 9
All MCQs given above for Class 9 Science have been made as per the latest syllabus and books issued for the current academic year. The students of Class 9 can refer to the answers which have been also provided by our teachers for all MCQs of Science so that you are able to solve the questions and then compare your answers with the solutions provided by us. We have also provided lot of MCQ questions for Class 9 Science so that you can solve questions relating to all topics given in each chapter. All study material for Class 9 Science students have been given on studiestoday.
Chapter 12 Sound CBSE Class 9 MCQs Science
Regular MCQs practice helps to gain more practice in solving questions to obtain a more comprehensive understanding of Chapter 12 Sound concepts. MCQs play an important role in developing understanding of Chapter 12 Sound in CBSE Class 9. Students can download and save or print all the MCQs, printable assignments, practice sheets of the above chapter in Class 9 Science in Pdf format from studiestoday. You can print or read them online on your computer or mobile or any other device. After solving these you should also refer to Class 9 Science MCQ Test for the same chapter
CBSE MCQs Science Class 9 Chapter 12 Sound
CBSE Class 9 Science best textbooks have been used for writing the problems given in the above MCQs. If you have tests coming up then you should revise all concepts relating to Chapter 12 Sound and then take out print of the above MCQs and attempt all problems. We have also provided a lot of other MCQs for Class 9 Science which you can use to further make yourself better in Science
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Multiple Choice Questions (MCQs) for Chapter 12 Sound Class 9 Science are objective-based questions which provide multiple answer options, and students are required to choose the correct answer from the given choices.