thank you! if im honest theres an ocean of science videos speaking english with strong accents that i find hard to understand or even listen to for a while. but wish i could. videos like yours show me its not the accent its the presentation and communication skills beyond just pronunciation :D
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SIR I HAVE A DOUBT PLZ REPLY ME AND CLEAR IT FOR WAVE PROPOGATION ELASTICITY OF MEDIUM IS NECESSARY...BUT WE KNOW THERE IS NO ELASTICITY IN FLUIDS SO WHY LONGITUDINAL WAVE TRAVEL IN FLUIDS...
Sir, I had a doubt.... Molecules in solid are dense. You said that sound travels faster in solids. Now, in the textbook its given that velocity of sound is inversely proportional to density. So, if density is increased 4 times, then velocity reduces to half. So, in solids the Velocity of sound should be less then as per this. Please solve my doubt🙏
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Sir but one statement is there - If a material is more dense because its molecules are larger, it will transmit sound slower our solid is dense and its molecules are also larger then how canwe say that speed of sound is higher in solids
If speed of sound is constant (344m/s) then why do we calculate speed of sound for different wavelengths, with the formula ... speed of sound = frequency x wavelength. Because there are numericals given in kid's textbook to find out speed of sound with the given frequency and wavelength. Some websites on Google says speed of sound is uniform (344 m/s) and does not depend on frequency or wavelength, when the opposite is clearly given in the formula. Please explain.
The speed of sound in a medium (like air) is indeed constant at a given temperature and pressure (approximately 344 m/s in dry air at 20°C). However, the formula \( \text{speed of sound} = \text{frequency} \times \text{wavelength} \) is used to relate the frequency and wavelength of sound waves. Different frequencies produce sound waves with different wavelengths, despite traveling at the same speed. This formula helps us understand how sound characteristics (frequency and wavelength) relate to each other, not the speed itself.
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Thanks for the video. I find it immensely annoying that scientists often use common terms with their opposite of their intended meanings. Everyone is brought up with the understanding that "elastic" means stretchable, yet, in physics, it is the exact opposite. LoL It is so frustrating.
Because if a material has high density it will automatically have higher elasticity i.e its ability to retain its shape since more no. Particles in a smaller area will provide high resistance to deformities as compared to lesser no. Of particles in that same given area. Hope this helps
I think so,it's because inside the room when you speak the vibrations are first carried out by the air only. And by the time the vibrations reach the wall,energy dissipates means the energy used by your larynx to vibrate air gets used up. And maybe it's about on what surface vibrations is made. Like, When you speak through a solid like a door Or When you create vibrations by tapping the door. In first case,the vibrations is first carried out by air then travels through the door In second case, the vibrations occur on the surface of the door. I am still not sure,that's the correct reasoning I may be wrong. Good question!
@@NamrataAdhikary-u4j yeah thank you..then i got the answer your answer is absolutly right . when we speak inside the room , air vibrate when it strike the door wall etc it reflected back and sound in solid mean to vibrate the solid particale
But Velocity of sound decrease with increase in Density !,Then Solids have more density than liquid and gas then how Speed of sounds decrease with increse in density ? Please explain sir I am get confused . The relation between density and sound velocity
with refraction of sound waves when a sound wave goes from a less dense object to a more dense object why does it speed up and not slown down like a normal wave would
elasticity is the resistance, if the particles resists to oscillate, it means more elastic, you cannot relate speed of oscillation of a particle to speed of wave propagation (medium).
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thank you! if im honest theres an ocean of science videos speaking english with strong accents that i find hard to understand or even listen to for a while. but wish i could. videos like yours show me its not the accent its the presentation and communication skills beyond just pronunciation :D
That's sounds Great that you are learning easily!
You are real teacher 😊 good teacher, keep it up Sir☺️
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Thank you. Sir. the best stuff I have found on UA-cam so far...
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ONE ANOTHER DOUBT WHY TRANSVERSE WAVE CANNOT TRAVEL IN FLIUDS BUT LONGITUDINAL DOES
Thank You for this Video😎👍
What about density because I read somewhere that higher density means sound wave will travel slower?
SIR I HAVE A DOUBT PLZ REPLY ME AND CLEAR IT FOR WAVE PROPOGATION ELASTICITY OF MEDIUM IS NECESSARY...BUT WE KNOW THERE IS NO ELASTICITY IN FLUIDS SO WHY LONGITUDINAL WAVE TRAVEL IN FLUIDS...
Is density directly proportional to the speed of sound in solids and inversely proportional to the speed of sound in gas
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Wish you were there when I was studying engineering....
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Reminds me of my school life
I didn't paid much attention though
Why the sound travels faster in more denser material ?
Very good explanations, thank u sir
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Sir, I had a doubt....
Molecules in solid are dense.
You said that sound travels faster in solids.
Now, in the textbook its given that velocity of sound is inversely proportional to density. So, if density is increased 4 times, then velocity reduces to half.
So, in solids the Velocity of sound should be less then as per this.
Please solve my doubt🙏
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@@smartschoolonline I am a ssc board student
@@dynamicyt6504bro please tell me if you know the answer!
Thanku so much for explaining in such easy manner😍
By the way nice explanation ❤
Happy to hear that!!
Best explanation so far
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Good explanation
Sir how can we prove that sound waves are LONGITUDINAL? what would happen if these are transverse in nature?
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Thank you Sir 🙏🙏👍👍
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marvellous.
Really amazing
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Mr Rajeet helped us
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Thank you sir
Sir but one statement is there -
If a material is more dense because its molecules are larger, it will transmit sound slower our solid is dense and its molecules are also larger then how canwe say that speed of sound is higher in solids
Sir kindly give concept about Newton's and laplace speed of sound
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If speed of sound is constant (344m/s) then why do we calculate speed of sound for different wavelengths, with the formula ... speed of sound = frequency x wavelength. Because there are numericals given in kid's textbook to find out speed of sound with the given frequency and wavelength. Some websites on Google says speed of sound is uniform (344 m/s) and does not depend on frequency or wavelength, when the opposite is clearly given in the formula. Please explain.
The speed of sound in a medium (like air) is indeed constant at a given temperature and pressure (approximately 344 m/s in dry air at 20°C). However, the formula \( \text{speed of sound} = \text{frequency} \times \text{wavelength} \) is used to relate the frequency and wavelength of sound waves. Different frequencies produce sound waves with different wavelengths, despite traveling at the same speed. This formula helps us understand how sound characteristics (frequency and wavelength) relate to each other, not the speed itself.
Excellent explanation
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Though I m a Hindi medium but urs explanation make it easier than even in hindi
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Thank you sir sare doubts clear ho gaye 🙏🙏🙏🙏🙏🙏🙏
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4:30 Then why in gases velocity of doing if inversely proportional to root of density?
yay, thank you!
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Nicely explained.
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Great Explanation.
Excellent video
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Concept cleared!!
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Really Great
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Great breakdown!
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If sound travels faster in solids, the distance it travels will be less than in gases?
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So sound travels faster through rubber than water right?
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Thanks
Great video!!
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Wow explained so well sir ,thank you
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Awesome videoo
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Thanks sir
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Thank you sir 😊
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Thanks for the video. I find it immensely annoying that scientists often use common terms with their opposite of their intended meanings. Everyone is brought up with the understanding that "elastic" means stretchable, yet, in physics, it is the exact opposite. LoL It is so frustrating.
Do the speed of the sound also depend on density of a medium?
If yes, then how?
Because if a material has high density it will automatically have higher elasticity i.e its ability to retain its shape since more no. Particles in a smaller area will provide high resistance to deformities as compared to lesser no. Of particles in that same given area. Hope this helps
Then, sound to jyada solid me aani chaiye....
Speed sound=√(coefficient of elasticity/density)
sir please answer me this question.
if sound can move in solid medium then why we can not hear sound when some one speak in a closed room etc..
I think so,it's because inside the room when you speak the vibrations are first carried out by the air only.
And by the time the vibrations reach the wall,energy dissipates means the energy used by your larynx to vibrate air gets used up.
And maybe it's about on what surface vibrations is made.
Like,
When you speak through a solid like a door
Or
When you create vibrations by tapping the door.
In first case,the vibrations is first carried out by air then travels through the door
In second case, the vibrations occur on the surface of the door.
I am still not sure,that's the correct reasoning
I may be wrong.
Good question!
@@NamrataAdhikary-u4j yeah thank you..then i got the answer your answer is absolutly right .
when we speak inside the room , air vibrate when it strike the door wall etc it reflected back and sound in solid mean to vibrate the solid particale
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But Velocity of sound decrease with increase in Density !,Then Solids have more density than liquid and gas then how Speed of sounds decrease with increse in density ?
Please explain sir I am get confused .
The relation between density and sound velocity
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with refraction of sound waves when a sound wave goes from a less dense object to a more dense object why does it speed up and not slown down like a normal wave would
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sir that's outstanding..❤❤
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@@smartschoolonline sir I'm from pakistan.........
@@kashifali8230 And I know you are surely a good guy
@@kashifali8230 how your teacher teaches?
@@panditbalwansastri4432 sir they teach good but not better than you..🤗😍
elasticity is the resistance, if the particles resists to oscillate, it means more elastic, you cannot relate speed of oscillation of a particle to speed of wave propagation (medium).
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Thank you my physics teacher is no good at explaning this stuff
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Have you still understood?
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excellent teaching but only you should be increase your teaching thus we we'll be understand more
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Sir But According to the newtons formula density is indirectly proportional to speed of sound?
awesome
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Thank you so much. ✨
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Thank you so much🥺
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You should have touched a bit about density to make this video complete.
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thank youu
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This video is underrated
Sir please explain total lesson.your explanation is so easy to understand.
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Experiment on vernier callipers...
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हिन्दी मैं बताइए सर
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Very good explanations, thank u sir
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Thank you sir
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You are real teacher 😊 good teacher, keep it up Sir☺
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