Calculate the wavelength A2 for visible light of frequency f2 = 6.45×x1014 Hz . Express your answer in meters.
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- Check all boxes that apply. Ultraviolet radiation: is invisible to human eyes. O travels at a speed of 3x10®m/s through all mediums. O has a higher frequency than microwave radiation. O has a higher frequency than blue light. O has a longer wavelength than radio waves. O has a shorter wavelength than blue light. O has a shorter wavelength than gamma rays. O cannot enter our atmosphere. does not experience total internal refraction.What is the frequency of an X-ray photon with energy 9.0 keV (9000 eV)?A photon carries 2.56 eV of energy. What is the photon's frequency? (h= 6.626 x 10-34 J-s; 1 eV = 1.60 x 10-19 J)
- Select the ODE/s that is/are exact. dx + 2xy = 4x 2x² dx = -3x³-4xy dy dy + P(x)y = Q(x), where P and Q are arbitary functions of x. dx +²+ dx 3y 2xCalculate the energies of the following waves (in kilojoules per mole) An FM radio wave at 96.5 MHz and an AM radio wave at 1100 kHz Enter your answers numerically separated by a comma. ΕΧΕΙ ΑΣΦΑ EPM, EAM 1.06 10-47,1.21 10-49 Submit ° Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining ▾ Part B ? kJ/mol An X ray with 3.40×10-9 m and a microwave with A=6.67×10-2 m. Enter your answers numerically separated by a comma. ΜΕ ΑΣΦ 0 ? 49 Ex-ray, Eairo 9.71 10 40,4.95 101 Submit Previous Answers Request Answer remaining kJ/molA dielectric material has an absorption coefficient of 0.25 cm−1. A plate of thickness 3 cm is made from this material, and light with intensity 20 W m−2 is incident on the front. Ignoring reflection losses, calculate the intensity transmitted through the plate.Give your answer as a decimal to 2 d.p.
- Which of the following is least reasonable regarding light waves? a) Ultraviolet light has a shorter wavelength and lower frequency than visible light. b) Frequency is equal to the speed of the wave divided by the wavelength of the wave. c) An apple which appears red in white light would appear black when illuminated by blue light. d) Light visible to the human eye is the part of the electromagnetic spectrum with wavelengths roughly in the range of 400-700 nanometers. e) A banana appears yellow because it reflects red and green colors while absorbing blue.The figure below depicts spectral reflectance measurements for three different materials: a green leaf from a healthy plant, a sheet of shiny blue paper, and the palm of a human hand. The measurements are labeled 1 (black line), 2 (red line), and 3 (blue line). Match the measurements to the most appropriate material typeI have the answers for a-c. For a, the answer is 7.29 x 10-3 C. For b, the answer is 656 nm and c is 122 nm. Can you please help with d and e? Thank you.