1. Questions

Physics

A light source, S, is located 2.9 m below the surface of a swimming pool and 1.7 m from one edge of the pool. The pool is filled to the top with water. At what angle does the light reaching the edge of the pool leave the water?

  1. 👍
  2. 👎
  3. 👁
  4. ℹ️
  5. 🚩
Anonymous

  1. First you need to look up the index or refraction for air and water, the two materials in which the light will travel and refract.

    Air has a refractive index of N2 = 1.0003, and water has a refractive index of N1 = 1.333. I use index 2 for air because it is the second medium the light passes through; water is the first.

    The angle of incidence A1 for the light beam in the water is tan^-1 1.7/2.9 = tan^-1 0.5862 = 30.37 degrees.

    The last step is to use Snell's law:
    N1 sin A1 = N2 sin A2

    Solve for the angle of refraction, A2

    Sin A2 = 0.5057*(1.333/1.0003)= 0.6739
    A2 = ?

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
    drwls

Respond to this Question

First Name

Your Response

Similar Questions

  1. Algebra

    The width w of a rectangular swimming pool is x+4. the area a of the pool is x^3-13x+12. What is an expression for the length of the pool If you can help I would really appreciate it

  2. mathematics

    1. Simplify. (-8x^3 +4x + 1) / (2x + 1) 2. The width w of a rectangular swimming pool is x + 4. The areaa A of the pool is x^3 - 13x + 12. What is an expression for the length of the pool?

  3. physics

    In searching the bottom of a pool at night, a watchman shines a narrow beam of light from his flashlight, 1.3 m above the water level, onto the surface of the water at a point 2.7m from the edge of the pool. Where does the spot of

  4. Physics 194

    Light of wavelength 630 nm passes through a grating and then onto a screen located several meters from the grating. The 1st order bright band is located 0.26m from the central maximum. Light from a second source produces a band

  1. Math

    A rectangular swimming pool is bordered by a concrete patio. The width of the patio is the same on every side. The area of the surface of the pool is equal to the area of the patio. What is the width of the patio? (Length of Pool:

  2. physic

    An in-ground swimming pool has the dimensions 20 m x 15 m. It is filled with water to a uniform depth of 3.00 m.What is the total force exerted on the bottom of the swimming pool?The density of water = 1.00 × 103 kg/m3.

  3. Math

    The intensity of Illumination on a surface varies inversely as the square of the distance from the light source. A surface is 12 meters from a light source and has an intensity of 2. How far must the surface be from the light

  4. Mathematics

    A rectangular swimming pool has a length of 50 m, a width of 25 m, and a depth of 1.75 meters. What is the volume of water needed to fill the swimming pool? The volume of water needed to fill the swimming pool is m3.

  1. physics

    a very bright source of red light has much more energy than a dim source of blue light, but the red light has no effect in ejecting electrons from a certain photosensitive surface. why is this so?

  2. English

    Which sentence includes a gerund?(1 point) A. While swimming at the beach, Harper found a starfish. B. Graham learned to dive at the community swimming pool. C. Nash has been swimming since he was five years old. D. Swimming in

  3. Geometry

    A swimming pool is to be constructed in the space of partially overlapping identical circles. Each of the circles has a radius of 9 m, and each passes through the center of the other. Find the area of the swimming pool.

  4. maths

    the diagram shows the plan view of a swimming pool. The pool has a rectangular swimming area and a semi-circle area with steps. Work out the total surface area of the top of the pool. Giver your answer to 3 significant figures.

View more similar questions or ask a new question.