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∙ 8y agoIf light did not bend when traveling from water to air, it would not appear as if objects placed in water were shifted or distorted when viewed from above the surface. This bending phenomenon, known as refraction, is responsible for optical effects such as the apparent shallowing of a pool of water when viewed from the edge.
Yes, a light ray traveling in air can be totally reflected when it strikes a smooth water surface at an angle greater than the critical angle. Total internal reflection occurs when the angle of incidence is such that the light ray is reflected back into the air rather than refracted into the water.
If light could not be refracted, it would not be able to change direction when it passes from one medium to another, such as from air to water. This would result in light traveling in a straight line only and could have significant impacts on how lenses, prisms, and other optical devices function. The phenomenon of dispersion, where light splits into different colors, also relies on refraction, so that would not occur.
If you put something less dense than water into water, it will float. If you put something with the same density as water into water, it will stay suspended at that level. If you put something more dense than water into water, it will sink to the bottom.
Light intensity typically decreases as it passes through pure water due to absorption and scattering of light by water molecules. The speed of light may also decrease slightly as it passes through water compared to air.
If the amplitude of the waves coming from a light bulb decreases, you would expect the intensity of the light emitted to decrease as well. This would result in the light appearing dimmer to an observer.
The speed of light is 299,792,485 meters per second so if you travelled at this speed for a whole year that would be a light year.
Evaporation would happen more efficiently with increased heat and light energy. The higher temperatures would increase the rate of evaporation of surface water into vapor, enhancing the process in the water cycle.
it would die ! @
Time is a physical characteristic. A light year is a measure of distance, not of time. It is the distance that would be travelled in vacuum by light or other electromagnetic radiation. The distance travelled in outer space is nearly the same and is equal to approx 9.46 trillion kilometres.
what happen if there is no light house
They would die.
Without light, we would experience darkness, which could impact our ability to see, navigate, and perform daily tasks efficiently. Lack of light can also disrupt our circadian rhythms, affecting our sleep-wake cycles and overall well-being. Additionally, plants and photosynthetic organisms would struggle to survive without light for energy production.
It would take about 9.5 years for a spacecraft to travel from Mercury to Pluto. The exact duration can vary depending on the trajectory, speed of the spacecraft, and planetary alignments.
It is the only source of light!
Yes, a light ray traveling in air can be totally reflected when it strikes a smooth water surface at an angle greater than the critical angle. Total internal reflection occurs when the angle of incidence is such that the light ray is reflected back into the air rather than refracted into the water.
There would hardly be any light!
Nothing would happen.