What is the wavelength at which the Cosmic Background Radiation has highest intensity (per unit wavelength

What is the essential difference between gamma rays and green light? A. Gamma rays have an electric field, green light do not. B. There is no essential difference in the nature of gamma rays and green light other than he difference in frequency and wavelength. C. Greenlight undergoes refraction, gamma rays I do not D. Gamma rays are a form of radiation, green light is not E. Greenlight is the beam of photons, gamma rays are not photons

A photon of light has a frequency of 5.00 x 1014 Hz. If the frequency of the photon was doubled then which of these would happen to the energy of this photon?   a. it would become one-fourth as much   b. it would become half as much   c. it would double   d. it would quadruple   e. it would triple

After you calibrate the SpectroVis Plus spectrometer, you must a. run a full spectrum by selecting Sensors/Calibrate/Full Spectrum. O b. change the mode by selecting Sensors/Time-Based. Oc. collect a full spectrum of the sample to determine the wavelength of maximum absorbance. O d. change the mode by selecting Sensors/Data Collection.

A photon of red light (wavelength = 720 nm) and a Ping-Pong ball (mass = 2.30 × 10-³ kg) have the same momentum. At what speed is the ball moving? Number i Units

Q16. For a frequency modulated signal V(t)=15sin(15 ×10ʻt+2.5sin(2750t)), the amplitude of modulating signal is 3.5V. Refer the Bessel function table B16. i) Sketch the voltage spectrum for the above signal. ii) Calculate maximum frequency, minimum frequency, maximum frequency deviation, Bandwidth, amplitude of maximum frequency from the spectrum. iii) Identify whether the above equation corresponds to Narrowband or Wideband FM modulator. Justify your answer. Table B16: Values of Bessel function Modulation Sideband index Carrier 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1 0.00 1.00 0.25 0.98 0.12 0.5 0.94 0.24 0.03 1.0 0.77 0.44 0.11 0.02 1.5 0.51 0.56 0.23 0.06 0.01 2.0 0.22 0.58 0.35 0.13 0.03 0.52 0.43 0.20 0.06 0.02 -0.05 0.50 0.45 0.22 0.07 0.02 0.01 2.41 2.5 -0.26 0.34 0.49 0.31 0.13 0.04 0.01 -0.40 -0.07 0.36 0.43 0.28 0.13 0.05 0.02 -0.18 -0.33 0.05 0.36 0.39 0.26 0.13 0.05 0.02 3.0 4.0 5.0 5.53 -0.34 -0.13 0.25 0.40 0.32 0.19 0.09 0.03 0.01 6.0 0.15 -0.28 -0.24 0.11 0.36 0.36 0.25…