Question

Arrange the following based on the order of speed of sound in the medium, from fastest to slowest.
Air, Metal rod, Bowl of water​

Answer 1

Answer:

LITICAL

2.2 B] ANSWER THE FOLLOWING:

[6]

1) Light travels with a velocity 1.5 x 108 m/s in a medium on entering second medium its

Velocity becomes 0.75 x 108 m/s. What is the refractive index of the second medium?

With respect to the first medium?

2) How much heat energy is necessary to raise the temperature of 5kg of water from 20° c

To 100° c?

Explanation:

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Answer 2

Answer:

Sound travels fastest in solids and slowest in air. Water is in between. This is because the particles in solids are closer together than the particles in liquids or gases, and the particles in liquids are closer together than the particles in gases. The tighter particles are packed in a space, they collide more frequently. This allows sound, which is simply the combined collisions of particles, to travel fastest in solids. So, to reiterate, sound travels fastest in solids, then water, and slowest in air.

Hence, the speed of sound is maximum in the Metal rod, next in water and the least in air.