Answer:
Explanation:
Let the incident intensity of light on the polariser is Io.
Let the angle of transmission is θ.
According to the law of Malus,
The intensity of light coming out form the polariser is given by
I = IoCos²θ
The mean or the average value of Cos²θ is 1/2
So, the intensity of light coming out from the polariser is
I = Io/2
Thus, the 50% of light is transmitted by the polariser.
When the temperature increases, a
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<h2>
Answer:</h2>
<h3>When a ray of light approaches a smooth polished surface and the light ray bounces back, it is called the reflection of light. The incident light ray which lands upon the surface is said to be reflected off the surface. The ray that bounces back is called the reflected ray.</h3>
Answer: Object 3 is the most dense
Explanation:
Density
is directly proportional to the mass
and inversely proportional to the volume
:

This means that by increasing the volume of the body, its density will decrease.
So taking into account the four objects have the same mass
, but different volumes, the object with less volume will be the most dense.
Let's prove it:
Object 1

Object 2

Object 3

Object 4

Then:

Hence, <u>object 3 is the most dense</u>.
Answer:
Vibrate
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