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Does sunlight reflected off a mirror enhance the temperature of the sun-rays?
A standard planar mirror will not enhance the energy contained in the rays that reflect off it. In fact, there will be some loss of energy as the reflective surface is not perfect. There is some deduction in the light's intensity as it passes by the mirror's glass and reflects off the backing surface.
Parabolic mirrors, on the other hand, focus and concentrate the light rays on a single point in front of the mirror, aptly named the focus. Although the energy is not amplified, it will be effectively enhanced because of the additive effect that will result when the light energy is concentrated.
metre; meter; m The basic SI unit of length, explained as the length of the path traveled through light in vacuum throughout a period of 1/299 792 458 s.
An object which does not get its actual configuration at all on the removal of deforming force, though short the deforming force can be is a perfectly plastic body.
state and explain malus law?
The P.D. at the feeder end of a two wire d.c. distributor is 600 volts. Two loads are connected to the distributor at distances of 600 feet and 1000 feet from the feeder end and t
Constant Positive Velocity Observe in which the object below moves along with a constant velocity within the positive direction. The dot diagram shows in which each consecutive
Explain the Half-Life The decay of a nucleus is a random event. It is not possible to predict which nucleus will decay and when. Even though over a period of time, the decay
Three small snails are each at a vertex of an equilateral triangle of side 60 cm. The ?rst sets out towards the second, the second towards the third and the third towards the ?rst,
An express train, traveling at 36.0 m/s, is accidently sidetracked onto a local train track. The express engineer spots a local train exactly 100 m ahead of the same track and trav
The atmospheric pressure at any position is numerically similar to the weight of a column of air of unit cross-sectional area extending from that position to the top of the atmosph
I am responding to your letter of about six weeks ago asking for an adjustment on your wireless hub, model WM39Z. We test all our products before they leave the factory; therefore,
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