The refractive index of dense flint glass is 1.65 and for alcohol it is 1.36 with respect to air, What is the refractive index of dense flint glass with respect to alcohol?

To find the refractive index of dense flint glass with respect to alcohol, we can use Snell's law, which states:

n₁ sinθ₁ = n₂ sinθ₂

Where:

n₁ is the refractive index of the first medium (dense flint glass)
θ₁ is the angle of incidence in the first medium
n₂ is the refractive index of the second medium (alcohol)
θ₂ is the angle of refraction in the second medium
Since we want to find the refractive index of dense flint glass with respect to alcohol (n₁/n₂), we can rewrite Snell's law as:

(n₁/n₂) = (sinθ₂/sinθ₁)

However, we don't have any information about the angles of incidence and refraction, so we cannot directly calculate the refractive index of dense flint glass with respect to alcohol. The refractive index depends on the ratio of the speeds of light in the two media, which is determined by their optical properties.

If you have additional information, such as the refractive index of alcohol with respect to dense flint glass or the speed of light in both media, please provide that information, and I can assist you further.