Get the free view of Chapter 15, Waves Physics Class 11 additional questions for Mathematics Physics Class 11 CBSE,Īnd you can use to keep it handy for your exam preparation. Maximum CBSE Physics Class 11 students prefer NCERT Textbook Solutions to score more in exams. The questions involved in NCERT Solutions are essential questions that can be asked in the final exam. Using NCERT Physics Class 11 solutions Waves exercise by students is an easy way to prepare for the exams, as they involve solutionsĪrranged chapter-wise and also page-wise. NCERT textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.Ĭoncepts covered in Physics Class 11 chapter 15 Waves are Speed of Wave Motion, Reflection of Transverse and Longitudinal Waves, Displacement Relation for a Progressive Wave, The Speed of a Travelling Wave, Principle of Superposition of Waves, Introduction of Reflection of Waves, Standing Waves and Normal Modes, Beats, Doppler Effect, Wave Motion. This will clear students' doubts about questions and improve their application skills while preparing for board exams.įurther, we at provide such solutions so students can prepare for written exams. NCERT solutions for Mathematics Physics Class 11 CBSE 15 (Waves) include all questions with answers and detailed explanations. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. The walls are made rough to avoid the regular reflection of has the CBSE Mathematics Physics Class 11 CBSE solutions in a manner that help students Why are the walls made rough in big halls like the cinema theatres? When we talk loudly standing in an auditorium having length more than 17m, we can hear echo.Īcoustics of building is the branch of science that deals with the conditions to be fulfilled in the construction of a building for clear audibility. When we clap our hands from a field or valley having width greater the 17m, we can hear echo. Write down the situation in which echo is heard. The minimum height of water column required for resonance to be first heard( Velocity of sound 340 ms-1) is. So the minimum distance between the source and the reflecting surface in water to identify the echo within water A tuning fork of frequency 340 Hz is excited and held above a cylindrical tube of length 120 cm. What should be the minimum distance between the source and the reflecting surface in water to identify the echo within water? (speed of sound in water is 1482 m/s) The frequency of a tuning fork is 384 Hz and velocity of sound in air is 352 ms. What is the distance to the reflecting surface if the speed of sound in air is 340 m/s? How many vibrations will a tuning fork of frequency 280 Hz complete during the time sound travels in the air by 20 m Take the speed of sound in air as 340 m/s. So the minimum distance to the reflecting surface is half of 34 m.Ī person who bursts a cracker hears its echo after 1 s.
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