Q4. What is the speed of light in a block of glass that has an Index of refraction of 1.11?
1 answer:
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First you need to know about two laws, which are:
1) Coulomb's law
2) Newton's law of gravitation
1.
According to Coulomb's law, Electric force between TWO charges is:
-- (A)
Where, k = 1/(4*π*epsilon_not) =
Both
and 
= -1.61 x 
C
r = Distance between the two charges = 2.00m
Plug-in the above values in (A), you would get:
= (9 * 
) (1.61 * * 1.61 * ) / (2*2)
= 
N
2.
According to Newton's law of gravitation:
-- (B)
Where G = Gravitational constant = 6.674 *
m1 = m2 = Mass of the electron =
kg
r = 2.0 m
Plug-in the above values in (B), you would get:
= (6.674 * 
) ( * }[/tex]) / (2*2)
= N
= 
Now do Fe over Fg, you would get:
Ans: So the blanks are:
1) 5.82
2) 1.38
3) 4.23
-i
1) Coulomb's law
2) Newton's law of gravitation
1.
According to Coulomb's law, Electric force between TWO charges is:
Where, k = 1/(4*π*epsilon_not) =
Both
r = Distance between the two charges = 2.00m
Plug-in the above values in (A), you would get:
2.
According to Newton's law of gravitation:
Where G = Gravitational constant = 6.674 *
m1 = m2 = Mass of the electron =
r = 2.0 m
Plug-in the above values in (B), you would get:
Now do Fe over Fg, you would get:
Ans: So the blanks are:
1) 5.82
2) 1.38
3) 4.23
-i