EVERYDAY SCIENCE

SCIENCE

PHYSICAL SCIENCES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which best describes the different mediums in which the speed of light and sound is greatest?
A
Light travels fastest through air, while sound travels fastest through a diamond.
B
Light travels fastest through a diamond, while sound travels fastest through air.
C
Light travels fastest through water, while sound travels fastest through glass.
D
Light travels fastest through glass, while sound travels fastest through water.
Explanation: 

Detailed explanation-1: -As a rule sound travels slowest through gases, faster through liquids, and fastest through solids. The speed of light as it travels through air and space is much faster than that of sound; it travels at 300 million meters per second or 273, 400 miles per hour.

Detailed explanation-2: -Sound travels fastest through solids. This is because molecules in a solid medium are much closer together than those in a liquid or gas, allowing sound waves to travel more quickly through it. In fact, sound waves travel over 17 times faster through steel than through air.

Detailed explanation-3: -Option-A – Air Light travels the fastest in Air. The speed of light in air is estimated to be about 3/10-8 m/s.

Detailed explanation-4: -Light waves travel faster than sound waves in air. Q. We see lightning first and then hear thunder because light travels faster than sound.

Detailed explanation-5: -In water sounds travels faster than the air. The reason is that the particles are much closer in water and so they can quickly transmit vibration energy from one particle to next particle. Generally, Sound travels four times faster in water than in air.

There is 1 question to complete.