Question

give one word in answer in one word

1) Any two air based
instruments ?

2) IP angle of incidence
30 then angle of reflection .

3)Huge cloud of gas and dust are known as.​

Answer 1

1.flight instrument and navigation instrument

2. the angle between the measure and their incident ray is 30 degrees the sum of the angle of incidence and this angle makes a right angle so the angle of incidence is 90 - 30=60 degrees

3.Hug cloud of gas and dust are known as Nebula.

Answer 2

Answer:

I give correct answer ☺️