Question

please tell me the answer---​

Answer 1

Answer:

Here's Your Answer

Explanation:

1) X-Rays - Longer than 20 cm.

2) Optical Telescope - Hubble.

3) Indian Radio Telescope - GMRT.

4) Launching artificial satellite - ISRO.

Answer 2

Answer:

Hey khushu...

Good morning...

kaisi ho?

kya mujhe block kiya h