The amount of waves passing through a supplied level through the interval of 1 next. The higher the frequency, the shorter the wavelength.
In geometry, a ray is usually that part of a straight line that extends in a single directiononly. The term "ray" is utilised to describe the directed line produced by light-weight mainly because it moves through Place.
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مکینتاش ) آنتی ویروس فایروال ضد هک و جاسوسی آپدیت آنتی ویروس حذف و پاکسازی اطلاعات
سازگاری مثال زدنی با جاوا اسکریپت برای بارگزاری هرچه بهتر صفحات
مکینتاش ) مبدل فرمت صوتی و تصویری ( ویندوز
A laser is a particularly targeted, very narrow, and extremely powerful beam of light. Truly, the phrase laser can be an acronym, standing for L ight A mplification by S imulated E mission of R adiation. Simulated emission involves bringing a large number of atoms into what known as an "energized condition." Generally, most atoms are within a ground condition, and they are fewer Lively in their movements, even so the energy source that activates a laser brings about inhabitants inversion, a reversal of the ratios, these that the majority of atoms in the Lively medium are in an excited as an alternative to a ground point out.
The peak of the black-overall body spectrum is while in the deep infrared, at about ten micrometre wavelength, for reasonably interesting objects like human beings. Given that the temperature boosts, the height shifts to shorter wavelengths, manufacturing very first a purple glow, then a white a single And eventually a blue-white colour as the peak moves out on the obvious Element of the spectrum and in to the ultraviolet.
These distant forebears Highly developed to your fashioning of moveable lights know-how in the form of torches or rudimentary lamps. Torches had been almost certainly made by binding together resinous substance from trees, although lamps ended up manufactured either from stones with normal depressions, or from soft rocks—for instance, soap-stone or steatite—into which depressions have been carved through the use of more difficult product.
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مکینتاش ) ویرایشگر صوت ( ویندوز
مکینتاش ) اسکرین سیور ابزار گرافیک و عکس ( ویندوز
مکینتاش ) مدیریت پارتیشن‌ها مدیریت هارد دیسک بهینه سازی سیستم عامل ( ویندوز
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