The frequency of light with a wavelength of 447 nm can be calculated using the equation: frequency = speed of light / wavelength. Plugging in the values, the frequency is approximately 6.71 x 10^14 Hz.
Nikola Tesla's accomplishments significantly impacted science by advancing the development of alternating current (AC) electrical systems, wireless communication technologies, and early robotics. His work laid the foundation for modern electricity distribution and transmission systems, as well as contributing to the fields of electromagnetism and wireless technology, leading to innovations that have shaped our world today.
(Filing date) (description) (pat. no.) Mar. 30, 1886 Thermo-Magnetic Motor #396,121 5 Jan. 14, 1886 Dynamo-Electric Machine #359,748 9 May 26, 1887 Pyromagneto-Electric Generator #428,057 14 Oct. 12, 1887 Electro-Magnetic Motor #381,968 17 Oct. 12, 1887 Electrical Transmission of Power #382,280 26 Nov. 30, 1887 Electro-Magnetic Motor #381,969 35 Nov. 30, 1887 Electro-Magnetic Motor #382,279 39 Nov. 30, 1887 Electrical Transmission of Power #382,281 44 Apr. 23, 1888 Dynamo-Electric Machine #390,414 48 Apr. 28, 1888 Dynamo-Electric Machine #390,721 52 May 15, 1888 Dynamo-Electric Machine or Motor #390,415 56 May 15, 1888 System of Electrical Transmission of Power #487,796 58 May 15, 1888 Electrical Transmission of Power #511,915 64 May 15, 1888 Alternating Motor #555,190 67 Oct. 20, 1888 Electromagnetic Motor #524,426 71 Dec. 8, 1888 Electrical Transmission of Power #511,559 74 Dec. 8, 1888 System of Electrical Power Transmission #511,560 77 Jan. 8, 1889 Electro-Magnetic Motor #405,858 84 Feb. 18, 1889 Method of Operating Electro-Magnetic Motors #401,520 87 Mar. 14, 1889 Method of Electrical Power Transmission #405,859 91 Mar. 23, 1889 Dynamo-Electric Machine #406,968 94 Apr. 6, 1889 Electro-Magnetic Motor #459,772 97 May 20, 1889 Electro-Magnetic Motor #416,191 102 May 20, 1889 Method of Operating Electro-Magnetic Motors #416,192 106 May 20, 1889 Electro-Magnetic Motor #416,193 110 May 20, 1889 Electric Motor #416,194 113 May 20, 1889 Electro-Magnetic Motor #416,195 116 May 20, 1889 Electro-Magnetic Motor #418,248 122 May 20, 1889 Electro-Magnetic Motor #424,036 125 May 20, 1889 Electro-Magnetic Motor #445,207 129 Mar. 26, 1890 Alternating-Current Electro-Magnetic Motor #433,700 132 Mar. 26, 1890 Alternating-Current Motor #433,701 135 Apr. 4, 1890 Electro-Magnetic Motor #433,703 138 Jan. 27, 1891 Electro-Magnetic Motor #455,067 141 July 13, 1891 Electro-Magnetic Motor #464,666 145 Aug. 19, 1893 Electric Generator #511,916 148 TRANSFORMERS, CONVERTERS, COMPONENTS Preface to Patented Electrical Components 157 THE PATENTS: (filing date) (description) (pat. no.) May 6, 1885 Commutator for Dynamo-Electric Machines #334,823 159 May 18, 1885 Regulator for Dynamo-Electric Machines #336,961 161 June 1, 1885 Regulator for Dynamo-Electric Machines #336,962 165 Jan. 14, 1886 Regulator for Dynamo-Electric Machines #350,954 169 Apr. 30, 1887 Commutator for Dynamo-Electric Machines #382,845 172 Dec. 23, 1887 System of Electrical Distribution #381,970 177 Dec. 23, 1887 Method of Converting and Distributing Electric Currents #382,282 182 Apr. 10, 1888 System of Electrical Distribution #390,413 187 Apr. 24, 1888 Regulator for Alternate-Current Motors #390,820 192 June 12, 1889 Method of Obtaining Direct from Alternating Currents #413,353 197 June 28, 1889 Armature for Electric Machines (Tesla-Schmid, co-inventors) #417,794 204 Mar. 26, 1890 Electrical Transformer or Induction Device #433,702 208 Aug. 1, 1891 Electrical Condenser #464,667 211 Jan. 2, 1892 Electrical Conductor #514,167 213 July 7, 1893 Coil for Electro-Magnets #512,340 216 June 17, 1896 Electrical Condenser #567,818 219 Nov. 5, 1896 Man. of Electrical Condensers, Coils, &c. #577,671 222 Mar. 20, 1897 Electrical Transformer #593,138 225 HIGH FREQUENCY Preface to Patents in High Frequency 231 THE PATENTS: (filing date) (description) (pat. no.) Nov. 15, 1890 Alternating-Electric-Current Generator #447,921 233 Feb. 4, 1891 Method of and Apparatus for Electrical Conversion and Distribution #462,418 238 Aug. 2, 1893 Means for Generating Electric Currents #514,168 242 Apr. 22, 1896 Apparatus for Producing Electric Currents of High Frequency and Potential #568,176 245 June 20, 1896 Method of Regulating Apparatus for Producing Currents of High Frequency #568,178 249 July 6, 1896 Method of and Apparatus for Producing Currents of High Frequency #568,179 254 July 9, 1896 Apparatus for Producing Electrical Currents High Frequency #568,180 258 Sept. 3, 1896 Apparatus for Producing Electric Currents of High Frequency #577,670 262 Oct. 19, 1896 Apparatus for Producing Currents of High Frequency #583,953 266 June 3, 1897 Electric-Circuit Controller #609,251 269 Dec. 2, 1897 Electrical-Circuit Controller #609,245 275 Dec. 10, 1897 Electrical-Circuit Controller #611,719 280 Feb. 28, 1898 Electric-Circuit Controller #609,246 285 Mar. 12, 1898 Electric-Circuit Controller #609,247 289 Mar. 12, 1898 Electric-Circuit Controller #609,248 292 Mar. 12, 1898 Electric-Circuit Controller #609,249 295 Apr. 19, 1898 Electric-Circuit Controller #613,735 298 RADIO Preface to The Radio Patents 305 THE PATENTS: (filing date) (description) (pat. no.) Sept. 2, 1897 System of Transmission of Electrical Energy #645,576 307 Sept. 2, 1897 Apparatus for Transmission of Electrical Energy #649,621 314 July 1, 1898 Method of and Apparatus for Controlling Mechanism of Moving Vessels or Vehicles #613,809 318 June 24, 1899 Apparatus for Utilizing Effects Transmitted from a Distance to a Receiving Device Through Natural Media #685,955 331 June 24, 1899 Method of Intensifying and Utilizing Effects Transmitted Through Natural Media #685,953 338 Aug. 1, 1899 Method of Utilizing Effects Transmitted Through Natural Media #685,954 344 Aug. 1, 1899 Apparatus for Utilizing Effects Transmitted Through Natural Media #685,956 353 May 16, 1900 Art of Transmitting Electrical Energy Through the Natural Mediums #787,412 361 July 16, 1900 Method of Signaling #723,188 367 July 16, 1900 System of Signaling #725,605 372 Jan. 18, 1902 Apparatus for Transmitting Electrical Energy #1,119,732 378 LIGHTING Preface to The Lighting Patents 385 THE PATENTS: (filing date) (description) (pat. no.) Mar. 30, 1885 Electric-Arc Lamp #335,786 387 July 13, 1886 Electric-Arc Lamp #335,787 392 Oct. 1, 1890 Method of Operating Arc Lamps #447,920 397 Apr. 25, 1891 System of Electric Lighting #454,622 400 May 14, 1891 Electric Incandescent Lamp #455,069 405 Jan. 2, 1892 Incandescent Electric Light #514,170 408 MEASUREMENTS & METERS Preface to Patents for Measurement 6, Meters 413 THE PATENTS: (filing date) (description) (pat. no.) Mar. 27, 1891 Electrical Meter #455,068 415 Dec. 15, 1893 Electrical Meter #514,973 418 May 29, 1914 Speed-Indicator #1,209,359 421 Dec. 18, 1916 Speed-Indicator #1,274,816 429 Dec. 18, 1916 Ship's Log #1,314,718 434 Dec. 18, 1916 Flow-Meter #1,365,547 437 Dec. 18, 1916 Frequency Meter #1,402,025 440 ENGINES & PROPULSION Preface to Patents for Engines & Propulsion 447 THE PATENTS: (filing date) (description) (pat. no.) Jan. 2, 1892 Electric-Railway System #514,972 449 Aug. 19, 1893 Reciprocating Engine #514,169 452 Dec. 29, 1893 Steam-Engine #517,900 456 Oct. 21, 1909 Fluid Propulsion #1,061,142 461 Oct. 21, 1909 Turbine #1,061,206 465 Sept. 9, 1921 Method of Aerial Transportation #1,655,113 470 Oct. 4, 1927 Apparatus for Aerial Transportation #1,655,114 476 VARIOUS DEVICES & PROCESSES Preface to Various Devices & Processes 487 THE PATENTS: (Filing date) (description) (pat. no.) June 17, 1896 Apparatus for Producing Ozone #568,177 489 Feb. 17, 1897 Electrical Igniter for Gas-Engines #609,250 493 Mar. 21, 1900 Means for Increasing the Intensity of Electrical Oscillations #685,012 496 June 15, 1900 Method of Insulating Electric Conductors #655,838 500 Sept.21, 1900 Method of Insulating Electric Conductors (reissue of #655,838) #11,865 506 Mar. 21, 1901 Apparatus for the Utilization of Radiant Energy #685,957 512 Mar. 21, 1901 Method of Utilizing Radiant Energy #685,958 517 Oct. 28, 1913 Fountain #1,113,716 521 Feb. 21, 1916 Vaivular Conduit #1,329,559 525 May 6, 1916 Lightning-Protector #1,266,175 531 Source: Barnes and Noble. Explanation and consolidation at the related links below.
Nikola Tesla was primarily involved in the fields of electrical engineering and physics. He contributed significantly to the development of alternating current (AC) electrical systems and wireless communication technology. Tesla also worked on projects related to radio waves, x-rays, and wireless power transmission.
The frequency of light with a wavelength of 447 nm can be calculated using the equation: frequency = speed of light / wavelength. Plugging in the values, the frequency is approximately 6.71 x 10^14 Hz.
447 = 547 - 100
447
447 is CDXLVII
No, 447 is composite. Reason: 3 x 149 = 447.
1, 3, 149, 447
447 = CDXLVII
447 = 3 × 149
it is 447 over 100 or 447/100
447 multiplied by 68 is 30,396
sqrt(447) = 21.142 (approx).
447 meters = 44,700 centimeters