A star emits visible color at 550 nm . If the star is moving away from a stationary observer, which of the following cannot be the wavelength observed? 530 nm 552 nm 571 nm 584 nm
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- What are the energy and momentum of a photon of red light of wavelength 620 nanometers (nm)? What is the wavelength (in nm) of photons of energy 2.40 eV?10² 106 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 1024A laser emits a beam of monochromatic light with frequency 4.40 x 10^14 Hz. What color is the laser beam? yellow blue violet red
- Determine the frequency of light at 4.62 x 102 nm and 6.08 x 102 nm. (a) 4.62 x 102 nm Hz (b) 6.08 x 102 nm Hz8. A laser emits a beam of monochromatic light with frequency 5.58 x 10^14 Hz. What color is the laser beam? red green blue violetA scientist was studying the colors of stars. One star appeared more red than the scientist expected it to be. After consulting the chart below, the scientist made a true claim supported by evidence in the table and knowledge about the Doppler Effect. The Visible Light Spectrum Wavelength (nm) 625 - 740 590 - 625 565 - 590 Color Red Orange Yellow Green 520 - 565 500 - 520 435 - S00 380 - 435 Cyan Blue Violet What was the scientist's conclusion? (DOK 3) O A. The star is moving rapidly away from Earth. The apparent frequency of the light of the star is higher than its actual frequency due to the Doppler Effect. B. The star is moving rapidly towards Earth. The apparent frequency of the light of the star is lower than its actual frequency due to the Doppler Effect. O C. The star is moving rapidly towards Earth. The apparent frequency of the light of the star is higher than its actual frequency due to the Doppler Effect. D. The star is moving rapidly away from Earth. The apparent frequency…
- Chapter 27: Problem 6: Unpolarized light of intensity I0 = 950 W/m² is incident upon two polarizers. The first has its polarizing axis vertical, and the axis of the second is rotated θ = 65° from the vertical. Randomized Variables I0 = 950 W/m² θ = 65° Part (a) What is the intensity of the light after it passes through the first polarizer in W/m²? Part (b) What is the intensity of the light after it passes through the second polarizer in W/m²?Consider a typical red laser pointer with wavelength 653 nm. What is the light's frequency in hertz? (Recall the speed of light c = 3.0 × 108 m/s).10² 106 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 1024