All Courses
Get the App Signup / Login
Sign in Open App
Class 9  >  Science Class 9  >  Test: Reflection Of Sound Download as PDF

Test: Reflection Of Sound - Class 9


Test Description

10 Questions MCQ Test Science Class 9 - Test: Reflection Of Sound

Test: Reflection Of Sound for Class 9 2023 is part of Science Class 9 preparation. The Test: Reflection Of Sound questions and answers have been prepared according to the Class 9 exam syllabus.The Test: Reflection Of Sound MCQs are made for Class 9 2023 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Reflection Of Sound below.
Solutions of Test: Reflection Of Sound questions in English are available as part of our Science Class 9 for Class 9 & Test: Reflection Of Sound solutions in Hindi for Science Class 9 course. Download more important topics, notes, lectures and mock test series for Class 9 Exam by signing up for free. Attempt Test: Reflection Of Sound | 10 questions in 10 minutes | Mock test for Class 9 preparation | Free important questions MCQ to study Science Class 9 for Class 9 Exam | Download free PDF with solutions
1 Crore+ students have signed up on EduRev. Have you? Download the App
Test: Reflection Of Sound - Question 1
Save

The unit of quantity on which pitch of the sound depends is :

Detailed Solution for Test: Reflection Of Sound - Question 1

Pitch is that characteristic of sound that depends on the frequency received by a human ear, and as we know that SI unit of frequency is hertz therefore the unit of quantity on which the pitch of the sound depends is Hertz.

Test: Reflection Of Sound - Question 2
Save

A stethoscope utilizes the principle of

Detailed Solution for Test: Reflection Of Sound - Question 2

Stethoscope is a medical instrument used by doctors to listen to the sounds produced within the human body, mainly in the heart and lungs, it works on the principle of multiple reflections of sound.

Test: Reflection Of Sound - Question 3
Save

How far away is the cliff from the child, if a child hears an echo from a cliff 6 second after the sound produced by powerful horn? The velocity sound in air at 22°C is 344 m/s.

Detailed Solution for Test: Reflection Of Sound - Question 3
Let the distance between cliff and child be d m. Then, total distance traveled by the sound = 2d, Total time taken = 6 s
Then, velocity of sound = 2d/6s = d / 3 s
344 m/s = d / 3 s
d = 344 m/s * 3 s = 1032 m
Test: Reflection Of Sound - Question 4
Save

In which medium sound travels faster ?
Detailed Solution for Test: Reflection Of Sound - Question 4
The speed of sound depends on the elasticity and density of the medium through which it is traveling. In general, sound travels faster in liquids than in gases and faster in solids than in liquids. The greater the elasticity and the lower the density, the faster sound travels in a medium.
Test: Reflection Of Sound - Question 5
Save

To reflect sound waves from any surface, it should have dimensions
Detailed Solution for Test: Reflection Of Sound - Question 5

During reflection, sound waves obey the laws of reflections. To have an appreciable reflection of sound waves from any surface, it should have dimensions equal or larger than the wavelength of the sound waves failing on it. That us, a smaller object will not reflect the sound waves of larger wavelength.

Test: Reflection Of Sound - Question 6
Save

Audible range of sound of human being is
Test: Reflection Of Sound - Question 7
Save

We can hear the sound of the horn of an approaching car before the car reaches, because
Test: Reflection Of Sound - Question 8
Save

Reverberation produced in large auditoriums is due to:
Test: Reflection Of Sound - Question 9
Save

When sound gets reflected from a surface
Test: Reflection Of Sound - Question 10
Save

Minimum time interval for hearing a distinct echo is​
66 videos|355 docs|97 tests
Join Course
Information about Test: Reflection Of Sound Page
In this test you can find the Exam questions for Test: Reflection Of Sound solved & explained in the simplest way possible. Besides giving Questions and answers for Test: Reflection Of Sound, EduRev gives you an ample number of Online tests for practice

Up next

Human Ear and Applications of Sound
Test: Ultrasound And Human Ear
HOTS Questions: Sound
Important Diagrams: Sound
66 videos|355 docs|97 tests
Join Course
Download as PDF
Download free EduRev App
Scan the QR code to for best learning experience!
Download free EduRev App
Track your progress, build streaks, highlight & save important lessons and more!

Important Questions for Reflection Of Sound

Find all the important questions for Reflection Of Sound at EduRev.Get fully prepared for Reflection Of Sound with EduRev's comprehensive question bank and test resources. Our platform offers a diverse range of question papers covering various topics within the Reflection Of Sound syllabus. Whether you need to review specific subjects or assess your overall readiness, EduRev has you covered. The questions are designed to challenge you and help you gain confidence in tackling the actual exam. Maximize your chances of success by utilizing EduRev's extensive collection of Reflection Of Sound resources.

Reflection Of Sound MCQs with Answers

Prepare for the Reflection Of Sound within the Class 9 exam with comprehensive MCQs and answers at EduRev. Our platform offers a wide range of practice papers, question papers, and mock tests to familiarize you with the exam pattern and syllabus. Access the best books, study materials, and notes curated by toppers to enhance your preparation. Stay updated with the exam date and receive expert preparation tips and paper analysis. Visit EduRev's official website today and access a wealth of videos and coaching resources to excel in your exam.

Online Tests for Reflection Of Sound Science Class 9

Practice with a wide array of question papers that follow the exam pattern and syllabus. Our platform offers a user-friendly interface, allowing you to track your progress and identify areas for improvement. Access detailed solutions and explanations for each test to enhance your understanding of concepts. With EduRev's Online Tests, you can build confidence, boost your performance, and ace Reflection Of Sound with ease. Join thousands of successful students who have benefited from our trusted online resources.
© EduRev
Education Revolution
Follow Us
Signup to see your scores go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup