Answer:
Speed of light in the glass
Explanation:
In this question we have given
angle of polaization,p=
we have to find the speed of light in the glass,v=?
We know that, refractive index of glass can be determined by following formula
................(1)
here,
c- speed of light in air
v-speed of light in glass
we also know according to brewester's law refrective index of glass is given as
n=tanp......................(2)
here p-angle of polarization
From equation (1) and equation (2)
we got
put value of c= and p= in equation 3
we got
The answer is A The waves filter ice from food
Answer:
Im gonna say it is answer A:) Hope this helps!
Explanation:
Use the formula
Time = (distance) / (speed)
-- notice that the distance is given in km. Remember this when you write the speed. They should BOTH be in km it BOTH in meters.
-- for the speed, don't get distracted by the idea of 'music'. It's being sent to us by radio, so use the speed given for light/radio.