Why was the copernican model a controversial proposition

1 answer:

3 0

I believe this question refers to the extremely charged nature of his model. The world in his day was almost completely controlled by the Catholic Church. His heliocentric model suggested that the earth was not, indeed, the centeer of the universe, and Catholic officials and clergy took this to be a dirrect attack on the priveleged place they believed man held in God's plan.

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When the voltage is turned on and the droplet either rises or falls, the type of forces which are acting on the droplet are:

1) Gravitational force,

2) Electrical repulsion

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A beam of light from a monochromatic laser shines into a piece of glass. The glass has thickness L and index of refraction n=1.5

Wewaii [24]

Answer:

15/f s

Explanation:

The refractive index n = 1.5 of the glass is n = λ₁/λ₂ where λ₁ = wavelength of monochromatic light in vacuum = L/10 and λ₂ = wavelength of monochromatic laser in glass.

So, λ₂ = λ₁/n.

We know the speed of light in glass, v = fλ₂ and λ₂ = v/f.

The light covers a distance d = L in time, t = d/v (since v = d/t)

So, the time it takes the pulse of light to travel from one end of the glass to the other is t = d/v = L/fλ₂ = L/fλ₁/n = nL/fλ₁ = nL/fL/10 = 10 × 1.5/f = 15/f s

So, the time it takes the pulse of light to travel from one end of the glass to the other is t = 15/f s

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3 years ago

The overall energy involved in the formation of CsCl from Cs(s) and Cl2(g) is −443 kJ/mol. Given the following information: heat

german

Answer : The magnitude of the lattice energy for CsCl is, 667 KJ/mole

Explanation :

The steps involved in the born-Haber cycle for the formation of $CsCl$ :