Question

refer the attached attachment for the question​

Answer 1

Answer:

Step-by-step explanation:

telescope

Answer 2

Answer :-

Option a.

Telescope

Telescope is used to study the sky

⟩⟩ Explanation ⟨⟨

• Telescope is an instrument which is used to see objects which are far,more clearly.

• Hans Lippershey was the first one to create a Telescope.

• A microscope is an instrument which is used to enlarge his small object placed very close to it.

• A microphone is used to convert sound signals into electric signals and amplify the sound.

• The Telegraph is an instrument used to send written messages through telegram.

Therefore the answer is

Option a.

Telescope