25 Questions MCQ Test Science Class 9 - HOTS Questions: Sound
HOTS Questions: Sound for Class 9 2023 is part of Science Class 9 preparation. The HOTS Questions: Sound questions and answers have been
prepared according to the Class 9 exam syllabus.The HOTS Questions: Sound MCQs are made for Class 9 2023 Exam. Find important
definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for HOTS Questions: Sound below.
Solutions of HOTS Questions: Sound questions in English are available as part of our Science Class 9 for Class 9 & HOTS Questions: 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 HOTS Questions: Sound | 25 questions in 25 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
Detailed Solution for HOTS Questions: Sound - Question 8
The correct option is B.
Echo - the repetition of a sound caused by reflection of sound waves.
A reverberation, or reverb, is created when a sound or signal is reflected causing numerous reflections to build up and then decay as the sound is absorbed by the surfaces of objects in the space – which could include furniture, people, and air.
Sonar is a technique that uses sound propagation to navigate, communicate with or detect objects on or under the surface of the water, such as other vessels.
The concave surface of the sound board reflects the sound waves of the speaker towards the audience and hence prevents the spreading of sound in various directions. Due to this, sound is distributed uniformly throughout the hall and even the persons sitting at the back of the hall can hear the speech easily.
Ultra sound is produced by
Detailed Solution for HOTS Questions: Sound - Question 19
The correct option is D.
Animals such as bats,tortoises, dogs and dolphins send out ultrasound waves and use their echoes, or reflected waves, to identify the locations of objects they cannot see. This is called echolocation. Animals use echolocation to find prey and avoid running into objects in the dark.
In this test you can find the Exam questions for HOTS Questions: Sound solved & explained in the simplest way possible.
Besides giving Questions and answers for HOTS Questions: Sound , EduRev gives you an ample number of Online tests for practice
Find all the important questions for HOTS Questions: Sound at EduRev.Get fully prepared for HOTS Questions: Sound with EduRev's comprehensive question bank and test resources.
Our platform offers a diverse range of question papers covering various topics within the HOTS Questions: 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 HOTS Questions: Sound resources.
HOTS Questions: Sound MCQs with Answers
Prepare for the HOTS Questions: 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 HOTS Questions: 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 HOTS Questions: Sound with ease.
Join thousands of successful students who have benefited from our trusted online resources.