Question

Q7-Which of the following is a and
innovative sources of teaching
1. Telescope
2. Internet
3. Facebook
4. Backboard​

Answer 1

A telescope is an optical instrument using lenses, curved mirrors, or a combination of both to observe distant objects, or various devices used to observe distant objects by their emission, absorption, or reflection of electromagnetic radiation.[1] The first known practical telescopes were refracting telescopes invented in the Netherlands at the beginning of the 17th century, by using glass lenses. They were used for both terrestrial applications and astronomy.

Answer 2

Answer:

answer is 2nd option . The 2nd option is internet .