Questions

Solar radiation instruments may be produced to measure different types of solar energy. When sunlight encounters the Earth's atmosphere, some of it is absorbed or scattered by water vapor, aerosols, clouds, and other air molecules. The radiation which penetrates to the Earth's surface is termed direct solar radiation.

A thermopile pyranometer is a type of actinometer used for measuring solar radiation on a planar surface and it is designed to measure the solar radiation flux density (W/m2) from the hemisphere above within a wavelength range 0.3 μm to 3 μm.

New salespersons needs:

a) He needs to know the information on company history, its policies, rules and regulations etc.

b) Details about the product- its features, usage , demand.

c) Systems and procedures as followed by the company. This may include the work timings, overimed, field work, work culture of that particular organisation etc.

d) Training on the basic ethics that need to be followed while selling a product.

e) He must know the basics of selling the different products of the company.

Albedo refers to a material's ability to reflect sunlight. Since 30% of the sun's energy is reflected by the entire earth, the earth has an average albedo of 0.30.

Generally, dark surfaces have a low albedo and light surfaces have a high albedo.