Beam of light
It largely depends on what type of fish. Generally, a group of fish is called a school. However, sharks are fish as well and a group of sharks is called a gam, herd, pod, or shiver. Rays are also fish, but groups of rays are called a fever, draught, drift, scale, school, or shoal. Eels, another type of fish, in a group are called a swarm. A group of barracuda are called a battery. A group of seahorses is a herd.
A Group Of Manta Rays is called a school. Just like a school of fish... Proof: Another wiki answer asking the same question, and a dictionary! .... :P
I've heard the term for a group of manta rays to be "A fever of manta rays"
A group of sharks is called a gam, grind, school, herd, pod, collage, or shiver.
they are called UV, or Ultraviolet rays.
Anode Rays are called the canal rays as the cathode used is perforated and the anode rays pass through the holes or canals of The cathode opposite to the anode.
Gamma Rays
NO.the rays are just called rays
U-V rays; Ultra Violet Rays
The type of rays that come together are called convergent rays.
There is no standard collective noun for a group of light rays.However the noun 'ray' is a collective noun as: a ray of light.The collective nouns for a group of 'rays' are:a fever of stingraysa fever of manta rays