Podcast
Questions and Answers
______ is the energy radiated in the form of waves which produces the sensation of vision to the eyes. It may be natural light from sun or the artificial light from the means created by human beings.
______ is the energy radiated in the form of waves which produces the sensation of vision to the eyes. It may be natural light from sun or the artificial light from the means created by human beings.
LIGHT
______ (E) refers to the intensity of light per unit area and is measured by the normal luminous flux per unit area received by it. It is given by the equation $E = \frac{\Phi},{A}$ where $E$ = illumination, $\Phi$ = luminous flux, and $A$ = area of the surface being illuminated.
______ (E) refers to the intensity of light per unit area and is measured by the normal luminous flux per unit area received by it. It is given by the equation $E = \frac{\Phi},{A}$ where $E$ = illumination, $\Phi$ = luminous flux, and $A$ = area of the surface being illuminated.
ILLUMINANCE
______ is part of the electromagnetic radiation spectrum capable of exciting the retina and ultimately producing a visual sensation; it is the wavelengths of electromagnetic radiation to which the human eye is sensitive.
______ is part of the electromagnetic radiation spectrum capable of exciting the retina and ultimately producing a visual sensation; it is the wavelengths of electromagnetic radiation to which the human eye is sensitive.
VISIBLE LIGHT
______ is defined as the amount of light leaving an object and is how bright an object appears.
______ is defined as the amount of light leaving an object and is how bright an object appears.
Signup and view all the answers
______ (P) is also known as Reflection Factor or Coefficient of Reflection and is given by the ratio of luminous flux reflected from a small area of a surface to the total flux incident upon it.
______ (P) is also known as Reflection Factor or Coefficient of Reflection and is given by the ratio of luminous flux reflected from a small area of a surface to the total flux incident upon it.
Signup and view all the answers
______ is the energy radiated in the form of waves which produces the sensation of vision to the eyes. It may be natural light from sun or the artificial light from the means created by human beings.
______ is the energy radiated in the form of waves which produces the sensation of vision to the eyes. It may be natural light from sun or the artificial light from the means created by human beings.
Signup and view all the answers
______ is part of the electromagnetic radiation spectrum capable of exciting the retina and ultimately producing a visual sensation; it is the wavelengths of electromagnetic radiation to which the human eye is sensitive.
______ is part of the electromagnetic radiation spectrum capable of exciting the retina and ultimately producing a visual sensation; it is the wavelengths of electromagnetic radiation to which the human eye is sensitive.
Signup and view all the answers
______ (E) refers to the intensity of light per unit area and is measured by the normal luminous flux per unit area received by it. It is given by the equation $E = \frac{\Phi},{A}$ where $E$ = illumination, $\Phi$ = luminous flux, and $A$ = area of the surface being illuminated.
______ (E) refers to the intensity of light per unit area and is measured by the normal luminous flux per unit area received by it. It is given by the equation $E = \frac{\Phi},{A}$ where $E$ = illumination, $\Phi$ = luminous flux, and $A$ = area of the surface being illuminated.
Signup and view all the answers
______ is defined as the amount of light leaving an object and is how bright an object appears.
______ is defined as the amount of light leaving an object and is how bright an object appears.
Signup and view all the answers
______ (P) is also known as Reflection Factor or Coefficient of Reflection and is given by the ratio of luminous flux reflected from a small area of a surface to the total flux incident upon it.
______ (P) is also known as Reflection Factor or Coefficient of Reflection and is given by the ratio of luminous flux reflected from a small area of a surface to the total flux incident upon it.
Signup and view all the answers