I’m pretty sure the answer is A
Answer:
Hey mate....
Explanation:
This is ur answer....
<h3><em>The International System of Units (SI), commonly known as the metric system, is the international standard for measurement.</em></h3>
Hope it helps!
Brainliest pls!
Follow me! ◇
Answer:

Explanation:
Given that
Angle ,θ = 30°
From Malus law,Intensity given as

Io=Intensity of unpolarized light
I=Intensity of emerging light
Now by putting the value of angle


We know that



Therefore ratio will be 