Complete the paragraph given below by using the appropriate word given below:
(optical telescope, X-rays, light, radio telescopes, electromagnetic waves, visible radiation)
The ….....................…..which our eyes can see in a tiny part of electromagnetic spectrum. Light has..........................................and it is called radiation. Radiation is seen in the form of visible light, infrared waves, micro-waves as well as in the form of ........................and ultraviolet rays. However, we can see only.................................................... ........ are used to capture visible radiation. But different types of telescopes are used to receive other types of radiation, and all such telescope are called.........................................................................................................................................