Which wavelengths in the visible light spectrum will be reflected brightly by free standing thin film of thickness 1.05 μm? (determine the wavelengths inside the film) 525 nm 350 nm 600 nm 467 nm 323 nm 700 nm 382 nm 420 nm 840 nm
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- explain what is the purpose y the result of Spectrophotometric of a Cobalt Chloride Solution Analysis? Table 1 Absorption Spectrum of Cobalt Chloride Using a Spectrophotometer Wavelength Absorbance 400 410 420 430 440 450 460 370 480 490 500 510 520 530 540 550 560 570 580 590 600 610 620 630 640 650 660 670 680 690 700 0.036 0.044 0.063 0.095 0.147 0.215 0.284 0.329 0.362 0.402 0.450 0.479 0.464 0.398 0.314 0.216 0.142 0.087 0.054 0.041 0.036 0.036 0.034 0.028 0.030 0.023 0.023 0.023 0.014 0.014 0.011 Test Tube Number Cobalt Chloride Concentration (mol/mL) Absorbance at 510 nm 1 0.000 0.000 2 0.009 0.042 3 0.018 0.92 4 0.027 0.139 5 6 0.036 0.045 0.190 0.236 7 (Unknown) 0.15110² 106 Increasing frequency, f (Hz): 104 106 1 Radio waves (low f, longa) AM 104 10² Decreasing wavelength,λ (m) 108 FM TV 1 1010 Microwave Radar 10-2 10¹2 700 nm 10-4 1014 Infrared 10-6 600 nm 1016 Ultra- violet 10-8 Visible light 1018 X rays 10-10 500 nm 1020 1022 Gamma (y) waves (high f, short 2) 10-12 10-14 400 nm 1024X-rays have a wavelength small enough to image individual atoms, but are challenging to detect because of their typical frequency. Suppose an X-ray camera uses X-rays with a wavelength of 3.10 nm. Calculate the frequency of the X-rays. Be sure your answer has the correct number of significant digits.
- What is the wavelength of a green light laser with the frequency of 5.555 x 1014 Hz? [speed of light is c = 3 × 108 m/s] ○ 555 nm 570 nm O540 nm 495 nm 167 nm ○ 185 nmCalculate the wavelengths of the following objects. A 75 kg athlete running a 3.0-minute mile: m Earth (mass = 6.0 ×× 1027 g) moving through space at 2.5×104 m/s: mThe pupil of an eagle's eye has a diameter of 6.0 mm. Two field mice are separated by 0.010 m. From a distance of 166 m, the eagle sees them as one unresolved object and dives toward them at a speed of 24 m/s. Assume that the eagle's eye detects light that has a wavelength of 550 nm in vacuum. How much time passes until the eagle sees the mice as separate objects? t= i eTextbook and Media
- a) Calculate the range of wavelengths (in m) for X-rays given their frequency range is 30,000 to 3.0 ✕ 107 THz. smaller value? m larger value? m (b) Do the same for the visible light frequency range of 380 to 760 THz. smaller value? m larger value ? mThe pupil of an eagle’s eye has a diameter of 6.0 mm. Two field mice are separated by 0.010 m. From a distance of 200 m, the eagle sees them as one unresolved object and dives toward them at a speed of 23 m/s. Assume that the eagle’s eye detects light that has a wavelength of 550 nm in vacuum. How much time passes until the eagle sees the mice as separate objects?A distant star emits maximum intensity for wavelength 850 What is its radiant A nm. intensity? O7.7 x 10 6W/m² O 1.9 x 10 4W/m2 O 1.9 x 10 -4W/m² 7.7 × 10 ³W/m2
- (1) (a) What is the wavelength of a 25.75 × 10° Hz radar signal? (b) What is the frequency of an X-ray with wave- length 0.12 nm? (1) An EM wave has frequency 8.56 x 10¹4 Hz. What is its wavelength, and how would we classify it? 1.165x 10 m 2.5 x 10⁰ Hz 3.50 x 10 m ultraviolet.A laser beam at a wavelength of 1.11 μm is coupled into an optic fiber, resulting in 138.2 mW of light inside the fiber initially. The fiber is 4.75 km long and has an absorption coefficienct of 1.562 dB/km. What light power, in mW, is at the end of the fiber?The range of visible light extends from 400 nm to 700 nm. What is the range of visible frequencies of light?