6- The solar stove consists of a concave mirror of The aluminum reflects the heat energy in a bowl in which the dish collecting the radiation is placed. Calculate how long it takes to raise the temperature of one water from (20°C) to the boiling of liter point (100), knowing that the diameter of the mirror is (1) and (70%) of the solar energy is needed to heat the water and the radiant power that reaches the surface of the earth and the next of the sun is (700 W/m2) the answer is 868 sec

6- The solar stove consists of a concave mirror of The aluminum reflects the heat energy in a bowl in which the dish collecting the radiation is placed. Calculate how long it takes to raise the temperature of one water from (20°C) to the boiling of liter point (100), knowing that the diameter of the mirror is (1) and (70%) of the solar energy is needed to heat the water and the radiant power that reaches the surface of the earth and the next of the sun is (700 W/m2) the answer is 868 sec

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter1: The Nature Of Light

Section: Chapter Questions

Problem 36P: On the Moon’s surface, lunar astronauts placed a comet reflector, off which a laser beam Is...

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Concept explainers

Dispersion of White Light

Snell’s law is a formula that gives a relation between the angle of incidence and angle of refraction and is given as:

Question

6- The solar stove consists of a concave mirror of
The aluminum reflects the heat energy in a bowl in
which the dish collecting the radiation is placed.
Calculate how long it takes to raise the temperature of one
water from (20°C) to the boiling of
liter
point (100), knowing that the diameter of the mirror
is (1) and (70%) of the solar energy is needed
to heat the water and the radiant power that reaches
the surface of the earth and the next of the sun
is (700 W/m2) the answer is 868 sec

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3. For a west-facing light-colour vertical wall in Ottawa on August 20th at 2pm solar time: if the outdoor temperature is 23°C, the horizontal components of the direct and diffuse solar radiation are 600 W/m2 and 110 W/m2, respectively, and the albedo is 30%, calculate the following: (i) The solar incidence angle. (ü) The solar irradiance (W/m?). (ii) The sol-air temperature.
Subject:- Advance physics
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