merits and demerits of solar cooker

The peculiar property of glass which results in the green house effect is the principle involved in the working of the solar cooker..

Solar Cooker - A solar heating device is one which allows collection of a large amount of heat from the sunlight in a given region and restricts the loss of heat to the surrounding in the form of radiation. The following facts help us to design an efficient solarh..

A solar heating device is one which allows collection of a large amount of heat from the sunlight in a given region and restrict the loss of heat to the surrounding in the form of radiatio..

A solar heating device is one which allows collection of a large amount of heat from the sunlight in a given region and restricts the loss of heat to the surrounding in the form of radiatio..

Merits: s is based on every item of the data. s takes care of both positive and negative deviation. Demerits: s is some what not easy to understand. The extreme values unduly affect s..

Merits: - Mean deviation is easy to calculate. This measure is simple to understand. This can be calculated from any average. Its value is based upon all the (observations) items of the data. It is less affected by extreme observations. It gives us an idea about how the items are situated..

Nuclear Fission and Fusion..

The five-kingdom classification has certain merits and demerits. However, it is largely the most accepted system of modern classification mainly because of the phylogenetic placing of different groups of living organisms. This system of classification looks more scientific and n..

Introduction - Today graphics, tables, reasoning, estimation and prediction are playing a very important role in stating the facts in terms of figures. Statistics deals mainly in communicating facts and figures in terms of a method called statistical method. Collection, classification, tabulation, ..

The amount of solar energy received per second by one square metre of the near earth space (exposed perpendicularly to the rays of the sun) at an average distance between the sun and the earth is called solar constant. Solar constant = 1.4 kW/m 2 Black Surfaces Abs..