Cutubka 3, isku day
When you put your fingers on your throat as you speak, you feel vibrations. What does this show?
Riix doorasho si aad jawaabta u aragto.
Form 4 Physics
Cutubka 3: Sound Waves, su'aalo iyo jawaabo
321 su'aalood oo tababar ah oo ku saabsan Sound Waves, kuna filan dhammaan 3 cashar ee cutubka. Mid kastaa wuxuu leeyahay jawaab iyo sharaxaad. Bilaash.
Immisa su'aalood?
Akoon bilaash ah ayaa loo baahan yahay si aad u bilowdo, si jawaabahaaga iyo natiijooyinkaaga loo kaydiyo.
Sound Waves: su'aalo tusaale ah oo jawaabo leh
Cutubka 3, isku day
Near which of these would you most likely hear an echo when you clap?
Riix doorasho si aad jawaabta u aragto.
Cutubka 3, isku day
Which effect on the ear matches the harmonic contents of a sound?
Riix doorasho si aad jawaabta u aragto.
Waxa cutubka 3 daboolayo
Su'aaluhu waxay raacayaan buugga: Physics, Secondary, Form Four, Student Book.
Casharka 1: Introduction to sound waves
- Introduction to sound waves
- Sound wave
- Speed of sound in different media
- Conditions for hearing sound
- Sources of sound waves
- Measuring the speed of sound
- Lesson exercise
- Speed of sound
Casharka 2: Reflection of Sound and Echo
- Reflection of sound
- Echo
- Uses of echo
- Conditions for formation of echoes
- Echo calculations
- Laws of reflection of sound
- Applications of reflection of sound
- Reverberation
- Lesson exercise
Casharka 3: Properties of sound
- Properties of sound
- Intensity and loudness
- Intensity level
- Frequency and pitch
- Harmonic content and quality
- Range of audibility
- Infrasonic sounds
- Ultrasonic sounds
- Ultrasound
- Uses of ultrasound
- Infrasound and ultrasound
- Forced vibrations
- Resonance
- Measuring the speed of sound using resonance
- Conditions for resonance
- Examples of resonance
- Standing waves in pipes
- Harmonic frequency
- Pipes with two open ends
- Pipes with one open and one closed end
- Vibrating strings
- Doppler effect
- Pitch
- Quality
Cutubyada kale ee Form 4 Physics
- cutubka 1Oscillatory Motion
- cutubka 2Wave Motion
- cutubka 4Reflection of light
- cutubka 5Refraction of Light
- cutubka 6Dispersion of light
- cutubka 7Electromagnetic induction
- cutubka 8Alternating current
- cutubka 9Electronics
- cutubka 10Modern Physics
- cutubka 11Nuclear Physics
