All Questions
Tagged with everyday-life waves
46
questions
36
votes
5
answers
5k
views
Why does the pet's water bowl overflow?
So when i give the pet fresh water in a stainless steel bowl that i place on a mat according to the attached picture, from $t=0$ the bowl is at rest, the water normally oscillates in the bowl like a ...
- 463
3
votes
1
answer
74
views
Why does water come out of a bottle in waves?
So imagine you have a bottle of water or any type of liquid (like a bottle of milk that has just been opened)that is completely full or even three quarter of it is full,why does the water or milk come ...
- 31
0
votes
1
answer
93
views
How can you measure the propagation distance of a wave?
Suppose a simple spherically-symmetric cosine wave of wavelength $\lambda$ and velocity $c$ is transmitted from an unknown point outwards in $2D$ (in circles). We'll denote this unknown point as $(0,0)...
- 152
3
votes
2
answers
274
views
Why do water sounds different at different levels?
I observed that when we fill a water bottle it sounds different at different levels of height.
means it sounds different while filling at $\frac{1}4$ level and different at $\frac{1}2$.
I just want to ...
- 77
23
votes
2
answers
6k
views
Why is it harder to hear someone underwater than on air?
Because water is denser than air, sound waves travel faster and with more energy in water than air. However, we are worse at hearing in water than in air. Why is this?
To clarify, I was comparing ...
- 480
1
vote
2
answers
66
views
Can we tell anything about the velocity at which a spherical stone falls into a lake based on the sound it makes?
Suppose we have a spherical cow... I mean stone, and we throw it to a lake.
Can we tell anything about the velocity (speed and angle) at which it falls based on the sound it makes?
And based on a ...
- 2,284
2
votes
1
answer
572
views
Moving charges emit electromagnetic radiation. So can sound waves in ionized air produce light?
Moving charges emit electromagnetic radiation. Sound wave propagation through air involves the vibration of air molecules.
So in principle, can sound waves in ionized air produce light?
This post does ...
- 12.5k
2
votes
2
answers
64
views
The travel of soundwaves
As we are waiting in the subway station, we will hear the rail screeching when the train is arriving. Is it because soundwaves travels faster in a solid substance than in air? or is it a compartment ...
- 123
0
votes
2
answers
804
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Why does sound travel slower through solid than through air here?
We know sound travels faster through solids than through air.
Now consider this: Perhaps two people A & B are standing in two adjacent rooms both of which are closed from all sides. Let distance ...
- 13
2
votes
2
answers
143
views
Why is it easier to bend a note down on a brass instrument than it is to bend up?
When playing a brass instrument, on a given harmonic, you can bend the pitch above (to a higher pitch) and below (to a lower pitch) where it sounds the best (while staying on the same harmonic, with ...
- 21
38
votes
2
answers
7k
views
Why does ice make such peculiar sounds? [duplicate]
I've come across a couple of videos where some interesting sounds are produced using ice.
(Click on the images to see the video.)
Here, they drop a block of ice into a deep crevice and as the block ...
- 12.5k
1
vote
1
answer
1k
views
Diagram for the standing wave in a singing wine glass
Can anyone help me find a proper illustration of a standing wave that comes as a result of the superposition of the travelling waves in a wine glass?
I am looking for something like
(from this video ...
- 15
2
votes
5
answers
1k
views
Why can you hear sound over a wall?
I know it has to do with diffraction of sound, as it is a wave, but how exactly does this diffraction occur?
- 127
1
vote
1
answer
53
views
Why does the frequency of a wave change in the Doppler effect if it is a property of the source?
If the frequency of a wave is the property of the source emitting the wave, the number of times it vibrates per second, why does the frequency of an approaching or a receding ambulance or train change ...
- 11.8k
4
votes
1
answer
214
views
I was wondering if the mass of an object can be measured by the effect it has on a body of water if it was dropped from a certain height? [duplicate]
The question:
Height of Water 'Splashing'
asks about the height of the splash when an object is dropped into water, but there are other parameters that can depend on the mass and velocity of ...
- 41