Question

1. Geometric centre of the spherical mirror is ______________.

2. Hydraulic lift works on the principle of _____________.

3. _______ is used as a semiconductor.

4. _____________is the basic material to manufacture area.

Give me the correct answer .​

Answer 1

Answer:

1) pole of mirror

3) gallium arsenide,Germanium and silicon are some of most commonly used semiconductor.

Explanation:

1)A pole of mirror is the geometric center of the spherical mirror which lies on principal axis and mirror.

thanku...

Answer 2

Answer:

1) Center of curvature

2) Pascal's Law.

3) silicon or germanium

4) DON'T KNOW SORRY!!

Explanation:

I AM SORRY I DON'T KNOW THE 4TH ONE...!! HOPE THIS HELPS YOU!!!! IF YOU LIKE THIS ANSWER PLS MARK ME AS THE BRAINLIEST !!! AND DO FOLLOW ME!!!