If the two slits are not coherent, the interference pattern will disappear as the waves will not maintain a constant phase relationship.

Increasing the wavelength increases the fringe width, as fringe width is directly proportional to the wavelength.

The transmitted intensity is given by I = I_0 * cos²(θ), which results in one quarter of the original intensity at 60 degrees.

When light passes through two crossed polarizers (90 degrees apart), no light is transmitted, resulting in zero intensity.

Using Malus's law, the transmitted intensity I = I_0 * cos²(θ). For θ = 30 degrees, I = I_0 * (√3/2)² = (3/4)I_0.

When the angle of incidence exceeds the critical angle, the light ray undergoes total internal reflection and is reflected back into the denser medium.

At the critical angle, the light ray is refracted at 90°, traveling along the boundary between the two media.

When light passes through a polarizer at an angle of 45 degrees, it becomes partially polarized.

The speed of light decreases when it passes from a less dense medium (air) to a denser medium (glass) due to the change in refractive index.

Brewster's angle can be calculated using the formula tan(θ) = n, which gives approximately 53 degrees for n = 1.5.

Brewster's angle is the angle of incidence at which light is reflected with maximum polarization.

Light is completely polarized upon reflection at Brewster's angle, which is given by the formula tan(θ_B) = n2/n1.

Brewster's angle can be calculated using the formula tan(θ_B) = n, where n is the refractive index. For n = 1.5, θ_B = arctan(1.5) ≈ 53 degrees.

Brewster's angle can be calculated using the formula tan(θ_B) = n, where n is the refractive index. For n = 1.5, θ_B = arctan(1.5) ≈ 53 degrees.

Brewster's angle can be calculated using the formula tan(θ_B) = n2/n1, which gives approximately 53 degrees.

Brewster's angle θ_B can be calculated using θ_B = arctan(n2/n1) = arctan(1.5) ≈ 56.31 degrees.

Brewster's angle is the angle of incidence at which light is reflected with maximum polarization.

Constructive interference occurs when the path difference between the two waves is an even multiple of the wavelength (nλ, where n is an integer).

For constructive interference, the condition is 2t = mλ, where t is the thickness of the film and m is an integer.

Constructive interference occurs when the path difference is nλ, where n is an integer.

Light is completely polarized when it is reflected at Brewster's angle, which is given by θ_B = arctan(n2/n1).

Light is polarized by reflection when the angle of incidence equals Brewster's angle.

The first minimum occurs at a = λ, where 'a' is the slit width and 'λ' is the wavelength.

Critical angle θc = sin^(-1)(1/n) = sin^(-1)(1/1.5) = 41.81 degrees, approximately 60 degrees.

Critical angle (C) is given by sin(C) = n2/n1. Thus, sin(C) = 1/1.5, C = sin^(-1)(0.6667) ≈ 41.8 degrees.

The critical angle (θc) can be calculated using sin(θc) = n2/n1. Thus, sin(θc) = 1/1.33, giving θc ≈ 53.1 degrees.

The critical angle (θc) can be calculated using sin(θc) = 1/n. Here, n = 1.5, so θc = sin^(-1)(1/1.5) ≈ 41.81 degrees, which is approximately 42 degrees.

The critical angle (θc) can be calculated using sin(θc) = 1/n. For n = 1.5, sin(θc) = 1/1.5 = 2/3. Therefore, θc = sin^(-1)(2/3) which is approximately 41.81 degrees, closest to 45 degrees.

The critical angle θc is given by sin(θc) = n2/n1. Thus, θc = sin^(-1)(1/1.5) ≈ 41.8 degrees.

The critical angle (θc) can be calculated using sin(θc) = n2/n1. Here, n1 = 1.33 (water) and n2 = 1 (air). Thus, sin(θc) = 1/1.33, giving θc ≈ 53.1 degrees.