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Rays

Rays are cartilaginous fishes related to sharks with flat, disk-like bodies.

1,174 Questions

What does a gamma ray consist of?

Gamma rays are a form of electromagnetic radiation that consist of high-energy photons. They have the shortest wavelengths and highest frequencies in the electromagnetic spectrum, making them the most energetic type of radiation. Gamma rays are commonly produced during nuclear reactions and radioactive decay.

A ray has no beginning or end true or false?

False, a line ray is basically a point with a line like so .____> just put the parts together and you have a ray. A line has no beginning and no end and would look like <---------->

What is a stingray's niche?

Stingrays are bottom-dwelling, carnivorous fish that play a key role in their ecosystem by controlling populations of benthic invertebrates and small fish. They are important predators in marine food webs and contribute to overall biodiversity and ecosystem balance.

What is the difference between a wavefront and a ray?

A wavefront is a surface composed of points that are in phase with each other in terms of the oscillation of a wave. It represents the position of the wave at a specific instant. A ray, on the other hand, is a line that shows the direction of energy propagation of the wave. It represents the path along which the energy moves.

How is the light ray theory associated with shadows?

Light ray theory and shadows.

Basically the light ray theory is the theory that light always travels in straight lines, and it is linked into shadows as when an object blocks the light rays it cannot bend round the object therefore making a shadow.

Technological and application use for a gamma ray?

Cancer treatment, industrial imaging, sterilization of food & surgical instruments are just a few of the myriad of applications for gamma rays. remember, gamma rays are produced primarily during the decay of certain radioisotopes and although not unlike x-rays, are not produced in the same fashion. Cobalt 60 has been used to provide a gamma source for radio-graphic imaging in nondestructive testing of pipe welds.

How do radiographers protect themselves from x-rays and gamma rays?

Radiographers protect themselves by wearing lead aprons, thyroid shields, and lead gloves to prevent radiation exposure. They also use collimation and distance to minimize their exposure to the radiation beams. Strict adherence to safety protocols and using radiation monitoring badges is also important in protecting themselves from x-rays and gamma rays.

What are the differences between uv rays electromagnetic rays and infrared rays?

UV rays have shorter wavelengths and higher energy than visible light, making them harmful to skin and eyes. Infrared rays have longer wavelengths and lower energy than visible light, providing warmth but not causing skin damage. Electromagnetic rays encompass all forms of electromagnetic radiation, including UV and infrared rays, as well as microwaves, X-rays, and radio waves.

How much does an average stingray weigh?

The weight of an average stingray can vary based on the species, but they typically range from 100 to 800 pounds. Some larger species of stingrays can weigh over 1,000 pounds.

A gamma ray consists of?

A gamma ray consists of high-energy electromagnetic radiation with a very short wavelength and high frequency. It is a form of ionizing radiation that can penetrate through materials and is commonly produced during radioactive decay processes.

What color are gamma rays?

Gamma wavelengths lie on the very end of the light spectrum, and what we percieve as color is roughly in the middle of that spectrum. Because our eyes are only tuned to interpret violet through red, we won't ever get to know what color gamma rays are. No human has ever seen them, and trying to describe the color would be like trying to tell someone completely blind about a rainbow. But they do have a color, just not color we get to see in this lifetime.

Can a stingray shock?

Yes, a stingray can shock. Today I was at the beach, and I was suddenly shocked on the foot. I jumped away, and a moment later my sister yelled as she was shocked. We then saw a stingray swimming away.

The incident ray and the emergent ray will always be?

The Incident ray, falling on the glass slab, and the Emergent ray will always be parallel to each other.

What does a stingray sting feel like?

Funny that you should ask this question, because even as I type now my foot is still swollen from the sting that I received 2 days ago. (In case anyone had any doubts, there are indeed stingrays in the gulf of Mexico)

The pain from the sting itself will(as the name implies) sting without ceasing for many hours. But that's just the start of it. The venom pooled in the injection sight will burn and sting quite intensely(this accounts only for an extremity wound, I have no experience for body shots.) But after a short period of time, it will begin to move up the leg or arm, and that's where things get painful. The pain permeates even into the bone, and can best be described as a combined grinding feeling with one of tearing and flesh.

Between an hour and a half, and two hours into this though, the pain will grow so intense that it will become virtually impossible to focus on much of anything else. Actually, if you can manage to even speak without grunting and shouting, then feel lucky that you either have great pain tolerance or you got a smaller dose of the venom.

Important to note, is that the pain will grow in intensity the more the limb is used, so keeping use to a minimum is probably best.

Most important though is hot water. The moment you get the injection sight in contact with hot water, the pain will melt away. The venom is heat sensitive, Sadly though this works both ways. Avoid the cold at all costs.

Do bat rays sting?

"This ray has at least one venomous spine located near the base of the tail behind the dorsal fin; some have up to 3 spines." MarineBio.org

What is a devil ray?

A devil ray is a type of large, flat-bodied ray belonging to the genus Mobula. They are known for their distinctive cephalic fins that somewhat resemble horns, earning them the name "devil ray." Devil rays are often spotted gliding effortlessly through the ocean, feeding on plankton and small fish.

Do X-rays consist of radiation similar to gamma rays?

Both X-rays and gamma rays are forms of electromagnetic radiation, so yes, the radiation is similar. It's the same type of radiation, in fact.

In older sources you may see X-rays listed as having longer wavelengths (and lower energy) than gamma rays, but in modern usage the wavelengths of the two overlap to a degree. The general distinction is that electromagnetic radiation emitted by an atomic nucleus is a "gamma ray" and electromagnetic radiation emitted by an electron outside the nucleus is an "X-ray" even if the two have the same wavelength.

What is the largest type of stingray?

The Amazonian Alpha sting ray, is the largest sting ray in the world. It averages at 75 feet and 2,554 pounds

What is one way that a line is the same as a ray?

Because it ray has one point and Athens.other goes for ever.line has two point

How does an electric ray reproduce?

Electric rays reproduce through internal fertilization. Males use specialized organs called claspers to transfer sperm into the female's reproductive tract. The female then incubates the fertilized eggs inside her body until they hatch into live young.

How long a human can live without water under normal conditions?

A human can typically survive without water for about 3-5 days under normal conditions before severe dehydration sets in, leading to organ failure and ultimately death. However, this timeline can vary based on factors such as activity level, temperature, and individual health.

What is the locomotion of a stingray?

The movement of a stingray is accomplished through rajiform locomotion, which generates thrust by undulatory waves passing down the enlarged pectoral fins. The movement is produced by alternate firing activity in the dorsal and ventral muscles from the anterior to posterior ends of the fin.

What does vwor mean in stingray?

"Vwor" likely refers to the distinctive sound made by a stingray as it moves through the water. This noise is created by the rapid flapping of their pectoral fins as they glide gracefully through the ocean.

Are all 1969 Corvettes considered stingrays?

Yes, they aren't the original Stingrays, but they are called Stingrays.