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A sonar signal is sent straight down from a ship at a point just below the surface of the water and 6 seconds later the reflected signal is detected. How deep is the water?
Wiki User
∙ 15y ago
The speed of sound in sea water varies as the temperature, salinity and hydrostatic pressure of the water vary. This can lead to variations in calculations of depth even in "simple" cases. But 1500 meters per second is a good "average" for the speed of sound in the ocean. At that rate, the bottom would be calculated to be half the distance that sound could travel in that 1.65 seconds. Let's do the math. 1.65 seconds times 1500 meters per second equals 2475 meters 2475 meters divided by 2 equals 1237.5 meters or about 4060 feet. A link to the Wikipedia article on sonar is provided.
Wiki User
∙ 15y ago
Wiki User
∙ 15y ago9,000 9,000
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When light is reflected off of a smooth surface in how many ways is it reflected?
It is reflected in only one way: in a straight line and the direction such that the angle between the incident ray and the normal at the point of incidence is the same as the angle between the normal and the reflected ray, but on the opposite side of the normal.
What is difference between incident ray and a reflected ray?
A ray of light which strikes the surface is called incident ray and a surface which is reflected is called a reflected ray
What happens when a ray of light strikes a flat water surface?
Whenever light hits a water surface, some of the light is reflected off, and some of it is refracted, or "bent", deeper into the water. The proportion that is reflected and refracted depends on the wavelength of the light and the angle of incidence. When light goes straight down into the water, most of it penetrates the surface and goes into the water. When the light impacts at an angle, more of the light is reflected away.
What is the name of the ray that represents the light reflected by the surface.?
Reflected ray
Can a bullet be reflected by a hard surface?
no
Why are image reflected from a rough surface not as clear as those reflected from a smooth surface?
Some light that falls on any surface is scattered back (reflected). A rough surface tends to scatter the light in different directions while a smooth surface tends to scatter more of the original (incident) rays straight back. This explains why a smooth surface reflects a "clearer" image than that reflected from a rough surface.
When light is reflected off of a smooth surface in how many ways is it reflected?
It is reflected in only one way: in a straight line and the direction such that the angle between the incident ray and the normal at the point of incidence is the same as the angle between the normal and the reflected ray, but on the opposite side of the normal.
What is difference between incident ray and a reflected ray?
A ray of light which strikes the surface is called incident ray and a surface which is reflected is called a reflected ray
How long does it take the reflected ray of light from the full moon to get to earths surface?
1.28 seconds at the moon's average distance from earth ... same as for a radio signal.
What happens when a ray of light strikes a flat water surface?
Whenever light hits a water surface, some of the light is reflected off, and some of it is refracted, or "bent", deeper into the water. The proportion that is reflected and refracted depends on the wavelength of the light and the angle of incidence. When light goes straight down into the water, most of it penetrates the surface and goes into the water. When the light impacts at an angle, more of the light is reflected away.
What is the name of the ray that represents the light reflected by the surface.?
Reflected ray
How does light reflected?
Light can be reflected because it bounces off a surface at an angle.
Can a bullet be reflected by a hard surface?
no
How will light hitting a solid surface be reflected back?
when a light ray is thrown on a PLANE surface two things occur which cause light to reflect 1- the incident ray is equal to the reflected ray 1- the incident ray , the reflected ray and the normal, at the point of incidence, all lie at the same plane
When light is reflected from the surface it is?
It is reflected and sent back into the atmosphere. Sometimes it is absorbed by clouds.
A wave that is bent by a surface has been?
Reflected.
How is light is reflected from a minerals surface?
Luster
