Answer:
Sound is produced when an object vibrates, creating a pressure wave. This pressure wave causes particles in the surrounding medium (air, water, or solid) to have vibrational motion. As the particles vibrate, they move nearby particles, transmitting the sound further through the medium. The human ear detects sound waves when vibrating air particles vibrate small parts within the ear.
In many ways, sound waves are similar to light waves. They both originate from a definite source and can be distributed or scattered using various means. Unlike light, sound waves can only travel through a medium, such as air, glass, or metal. This means there’s no sound in space!
Explanation:
Answer:
Pressure is equal in A, B, C and D
Explanation:
Pressure does not depends on the shape of the container
Pressure acting all direction
Number of electrons transferred: 
Explanation:
The charge on the first object is
while the charge on the 2nd object is
When they are in contact, the final charge on each object will be
So, the amount of charge (electrons) transferred from the 1st object to the 2nd object is
The charge of one electron is
Therefore, the number of electrons transferred is
Learn more about electrons:
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