Question

5) Complete the paragraph given below by using the appropriate word given
below:(Optical telescopes, 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 for 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 telescopes are
called​

Answer 1

Answer:

Conduction is the transfer of thermal energy through direct contact. Convection is the transfer of thermal energy through the movement of a liquid or gas. Radiation is the transfer of thermal energy through thermal emission.