Answer:
5.09 x 10⁵ Nm²/C
Explanation:
The electric flux φ through a planar area is defined as the electric field Ε times the component of the area Α perpendicular to the field. i.e
φ = E A
From the question;
E = (8.0j + 2.0k) ✕ 10³ N/C
r = radius of the circular area = 9.0m
A = area of a circle = π r² [Take π = 3.142]
A = 3.142 x 9² = 254.502m²
Now, since the area lies in the x-y plane, only the z-component of the electric field is responsible for the electric flux through the circular area.
Therefore;
φ = (2.0) x 10³ x 254.502
φ = 5.09 x 10⁵ Nm²/C
The electric flux is 5.09 x 10⁵ Nm²/C
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Answer:
n₂ = 1.15
Explanation:
Given,
Angle of incidence,θ₁ = 50°
refractive index of the glass,n₁ = 1.50
refractive index of liquid = ?
For largest refractive index angle of refraction should be equal to 90°.
Using Snell's law
n₁ sin θ₁ = n₂ sin θ₂
1.50 x sin 50° = n₂ sin 90°
n₂ = 1.15
Hence, refractive index of the liquid is equal to 1.15.
Answer:
O pH is a measure of the concentration of H+ ions in a solution of an acid or base. The pH plots
the concentration of solutions in a range from 0-14.
Explanation:
pH is a measure of how acidic/basic water is. The range goes from 0 to 14, with 7 being neutral.
