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    EED500 Engineering Science Assignment 2: Max Marks: 30 Due Date: Friday - 10 June, 2022, 11:59pm

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    Penijamini Naua
    This document outlines an engineering assignment that is due on June 10th, 2022. It contains 11 questions about optics, light, photoelectric effect, and heat transfer. The questions involve topics like locating and describing images formed by convex mirrors and lenses, calculating magnification, determining critical angles, computing cutoff wavelengths and frequencies, solving illumination problems, and identifying applications of radiation. Students are asked to determine image positions and types, compute magnifications, find maximum photoelectron kinetic energies, and explain two applications of radiation.

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    EED500 Engineering Science Assignment 2: Max Marks: 30 Due Date: Friday - 10 June, 2022, 11:59pm

    Uploaded by

    Penijamini Naua
    34 views2 pages
    This document outlines an engineering assignment that is due on June 10th, 2022. It contains 11 questions about optics, light, photoelectric effect, and heat transfer. The questions involve topics like locating and describing images formed by convex mirrors and lenses, calculating magnification, determining critical angles, computing cutoff wavelengths and frequencies, solving illumination problems, and identifying applications of radiation. Students are asked to determine image positions and types, compute magnifications, find maximum photoelectron kinetic energies, and explain two applications of radiation.

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    This document outlines an engineering assignment that is due on June 10th, 2022. It contains 11 questions about optics, light, photoelectric effect, and heat transfer. The questions involve topics like locating and describing images formed by convex mirrors and lenses, calculating magnification, determining critical angles, computing cutoff wavelengths and frequencies, solving illumination problems, and identifying applications of radiation. Students are asked to determine image positions and types, compute magnifications, find maximum photoelectron kinetic energies, and explain two applications of radiation.

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    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    34 views2 pages

    EED500 Engineering Science Assignment 2: Max Marks: 30 Due Date: Friday - 10 June, 2022, 11:59pm

    Uploaded by

    Penijamini Naua
    This document outlines an engineering assignment that is due on June 10th, 2022. It contains 11 questions about optics, light, photoelectric effect, and heat transfer. The questions involve topics like locating and describing images formed by convex mirrors and lenses, calculating magnification, determining critical angles, computing cutoff wavelengths and frequencies, solving illumination problems, and identifying applications of radiation. Students are asked to determine image positions and types, compute magnifications, find maximum photoelectron kinetic energies, and explain two applications of radiation.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    of 2

    EED500 Assignment 2 05/06/2022

    EED500 Engineering Science


    Assignment 2
    Max Marks: 30 Due Date: Friday – 10th June, 2022, 11:59pm.

    1. At an intersection of hospital hallways, a convex mirror is mounted high on a


    wall to help people avoid collisions. The mirror has a radius of curvature of
    0.55m. Locate and describe the image of a patient 10.0 m from the mirror.
    Determine the magnification. [2 Marks]

    2. A spherical convex mirror has a radius of curvature of 40.0 cm. Determine the
    position of the virtual image and the magnification;

    (a) for an object distance of 30.0 cm and


    (b) for an object distances of 60.0 cm
    (c) Are the images upright or inverted?
    [4 Marks]

    3. A magnifying glass is a converging lens of focal length 15.0 cm. At what


    distance from a postage stamp should you hold this lens to get a magnification
    of + 2.00. [2 marks]

    4. A thin lens has a focal length of 25.0 cm. Locate and describes the image when
    the object is placed;

    (a) 26.0 cm and


    (b) 24.0 cm in front of the lens.
    [4 Marks]

    5. A glass fiber (n = 1.50) is submerged in water (n = 1.33). What is the critical


    angle for light to stay inside the optical fiber? [1 Marks]

    6. Adamantium has a work function of 4.20eV.

    (a) Find the cutoff wavelength and cutoff frequency for the
    photoelectric effect.
    (b) Calculate the stopping potential if the incident light has a
    wavelength of 180nm. [4 Marks]

    7. Three-fifths of the light from a 200cd source falls on a floor measuring 3m x


    1.5m. What is the average illumination? [2 Marks]

    8. At what height would a light source be mounted if its vertical luminous


    intensity was 5000cd and it was required to provide an illuminance of 100lx on
    the working plane? [1 Mark]

    Semester 1, 2022
    EED500 Assignment 2 05/06/2022

    9. Copper, Aluminum, and Iron have work functions of 2.10eV, 3.90eV, and
    4.50eV, respectively. If 350nm light is incident on each of these metals,
    determine:

    (a) which metals exhibit the photoelectric effect and


    (b) the maximum kinetic energy for the photoelectrons in each case.
    [5 Marks]

    10. What are the three methods of heat transfer? [3 marks]

    11. Explain two applications of radiation? [2 Marks]

    Semester 1, 2022

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