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Rays

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

1,174 Questions

What sort of sound does a stingray make?

Stingrays do not have vocal cords so they do not produce sounds. They communicate mainly through body language and behaviors.

Why is lead used in shielding gamma rays?

Because lead is a heavy element with a large atomic nucleus, it is effective at absorbing radiation; in addition, it's quite affordable (as compared to using gold, for example, which is also a heavy element).

Can gamma ray pass through the human body?

Yes, gamma rays are a form of electromagnetic radiation with high energy and penetrating ability. They have the ability to pass through the human body, potentially causing damage to tissues and cells along the way. However, the extent of this damage depends on factors such as the intensity and duration of exposure.

What is a baby string ray called?

A baby stingray is called a pup. It is born fully developed and able to swim immediately after birth.

What kind of body covering does a stingray have?

Stingrays have smooth skin covered in tiny tooth-like structures called dermal denticles. These denticles help protect the stingray's skin from predators and abrasive surfaces.

What kind of light has a wavelength shorter than green light is it red light raido waves X-rays or infrared waves?

In th visible spectrum blue and violet light are shorter than green. x-rays are way shorter than green.

What is the difference between ultraviolet radiation and ultrasound?

The difference between ultraviolet radiation and ultrasound is how they react when inside the body. Ultraviolet radiation attacks the cells and destroys cells that are harmful to the body. Ultrasound is merely a viewing device. Ultrasound is used to detect abnormalities in the body.

Are comic rays faster than gamma rays are?

No, gamma rays travel at the speed of light, which is the fastest speed in the universe. Comic rays, on the other hand, are high-energy particles that can approach the speed of light but are not faster than gamma rays.

Why positive rays called canal rays?

Positive rays are called canal rays because they are positively charged particles emitted by the anode and accelerated through a small canal or channel in the cathode of a cathode ray tube. These rays were discovered by Eugen Goldstein and were later studied by J.J. Thomson.

What are Neutron rays?

Neutron rays are not a recognized form of radiation. Neutrons are subatomic particles found in the nucleus of an atom, and they can be emitted as radiation during certain nuclear processes. However, they are typically referred to as neutron radiation, not neutron rays.

What are the components of gamma rays?

Gamma rays are a form of electromagnetic radiation characterized by high energy and extremely short wavelengths. They are composed of photons with no mass or charge, and they exhibit properties similar to X-rays, but with even higher energy levels. Gamma rays are produced by nuclear reactions, such as those in stars or nuclear decay processes.

What lenses refract light rays in toward a central point?

Converging lenses refract light rays in toward a central point, known as the focal point. These lenses are thicker in the center than at the edges and are commonly used in applications like cameras, microscopes, and eyeglasses.

Are stingrays carnivores?

Yes, stingrays are carnivores. They mainly feed on small fish, crustaceans, and mollusks that live on the ocean floor. They use their flattened bodies to efficiently glide through the water in search of prey.

What are convergent rays?

Convergent rays are light rays that come together or meet at a specific point after passing through a convex lens or a concave mirror. This point is called the focal point, where the rays converge and form a focused image. This is crucial for the formation of clear and sharp images in optical systems.

The point at the end of a ray is called?

The point at the end of a ray is called the endpoint. It is the specific location where the ray ends or terminates.

How large does a stingray get?

Stingrays can vary in size, with some species growing up to 6.5 feet (2 meters) in width and weighing over 790 pounds (360 kilograms). The size of a stingray can depend on its species, environment, and age.

Is the suns rays gamma rays?

No, the Sun mostly emits visible light rays. A small amount of gamma rays might be emitted, but they would be insignificant.

Inside the Sun, gamma rays are produced but they never escape in that form.

The super-heated gases around the sun in the chromosphere emit mostly higher energy xrays, UV rays but also some gamma rays.

Natural gamma rays sources are thought to be the most energetic events in the Universe. Although Supernovae seem to be the source of some, others are still somewhat mysterious.

How do stingrays catch their food?

Stingrays tend to be bottom feeders, hence the downward facing mouths. Like their relatives the shark, they tend to use very sensitive electro-receptors along their body to sense possible prey. they tend to predate on small mollusk, clams and oysters, however they have been known to eat small bony fish. The sharp barb that is so infamous for have taken the life of activist Steve Irwin, is purely a defensive tool and never used to procure food.

Why are anode rays called canal rays?

Anode rays are positively charged .so they are bend towards perforated cathode which is negatively charged and pass through them.since they have passed through canals or holes by producing fluorescence. Therefore they are known as canal rays.

How does a stingray get energy?

Stingrays get their energy from the food they consume, which includes small fish, mollusks, and crustaceans. They have a specialized digestive system that helps them break down and absorb nutrients from their food to provide energy for swimming and other activities.

Is there such thing as gamma ray flashlights?

No, gamma rays are a form of high-energy electromagnetic radiation that are not typically used in conventional flashlights. Flashlights commonly use visible light or LED bulbs to emit light. Gamma rays are more commonly used in scientific research, medical imaging, and certain industrial applications due to their high energy and penetrating ability.

Why does the beam on a gamma ray have to be narrow?

A narrow beam for gamma rays allows for precise targeting and focusing of the radiation on a specific area, minimizing damage to surrounding healthy tissues. It also helps to ensure that the intended target receives the necessary dose of radiation for effective treatment.

Does gamma rays transmit information?

Gamma rays do not transmit information like radio waves or other forms of electromagnetic radiation. They are highly energetic and are typically used for purposes like sterilization, cancer treatment, and imaging, rather than for communication.

What is the characteristic difference between a beam of light and a ray of light?

A beam of light is a broad, focused stream of light, while a ray of light is a narrow, straight path that light travels in. The beam carries more energy and can illuminate a larger area, while a ray is a simplified representation of how light propagates in a specific direction.

What are two dangers of gamma rays?

Gamma rays can cause serious tissue damage and radiation sickness in humans if exposure is high enough. Long-term exposure to gamma rays can also increase the risk of developing cancer due to their ability to damage DNA in cells.