6. White dwarf stars have been observed with a surface temperature as hot as 2.00×105 °C. What is the wavelength of the maximum intensity produced by this star?

Q: 1. Our eyes are most sensitive to light with a wavelength of 550nm. Find the temperature of a…

A: The wavelength corresponding to maximum intensity radiated by a blackbody at temperature T is given…

Q: At what wavelength would a star radiate the greatest amount of energy if the star has a surface…

A:

Q: 8. At the center of the Sun, the mass density is p = 1.52 × 105kgm-3 an the mean opacity is K =…

A: Its  a very simple question. The important thing here is to know the formula by which we can…

Q: 2. Can we Estimate the Solar Constant? A result from theoretical physics, known as the…

A: A blackbody is an ideal concept which irradiates every wavelength of light across the spectrum.…

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A:

Q: B2. A spherical star is detected by an astronaut in a spacecraft at a distance z of 1.5×10¹2…

A:

Q: The spectrum of a typical star shows absorption lines at different wavelengths than their laboratory…

A: In the case of separating observed wavelength increases compared to a real wavelength that is also…

Q: 1. The peak intensity of thermal radiation from the Sun is at a wavelength of 500 nm. Calculate the…

A: Given data, The peak intensity of thermal radiation from the Sun is at a wavelength λmax=500 nm.

Q: Why don’t we see hydrogen Balmer lines in the spectra of stars with temperatures of 45,000 K?   a.…

A: Hydrogen atoms are completely ionized in the atmosphere of the hottest starts.because the proton and…

Q: 3. Consider two stars. Star A has a surface temperature of 12000 K. Star B has a surface temperature…

A: Given,TA=12000 KTB= 6000 KDA=2DB

Q: Why don’t we see hydrogen Balmer lines in the spectra of stars with temperatures of 3,200 K?

A: Balmer series is a spectral emission line of the hydrogen that result electron transition from…

Q: frequency of a photon

A:

Q: The Sun appears to be red as it sets because: 1. Air absorbs red light less than other frequencies…

A: Sun colour is comprises of seven colors. They are calles as VIBGYOR. V stands for violet. I stands…

Q: A particular star has a surface temperature of 30,000K. Determine Amax, the wavelength at the peak…

A: Given: The surface temperature of the particular star is, T = 30,000 K To Find : The maximum…

Q: 5. It is 5.0 km from your home to the physics lab. As part of your physical fitness program, you…

A: Given data :- Distance of the physics lab from the home is D = 5.0 km. Speed of the person while…

Q: spectrum of this star, the H alpha line is observed to have a wavelength of 656.034 nm when measured…

A:

Q: 4. The surface of the Sun has a temperature of about 6000 K. At what wavelength does the Sun emit…

A:

Q: If the maximum wavelength in the sun spectrum 2max =480 nm and a = 2.89x10* K.m calculate the sun…

A: Using Wein's displacement law λmax * T = a Where λmax = Maximum wavelength in the spectrum T =…

Q: The Sun appears to be yellow when overhead because: 1. The human eye is most sensitive to yellow. 2.…

A: The Sun appears to be yellow when overhead because the temperature of the Sun is 6000 K w2hen it is…

Q: a. Does a hot, thin gas emit a continuous spectrum, a bright line spectra with gaps between the…

A: Given: Four fill in the blanks are given and asked to answer them. a. Does a hot, thin gas emit a…

Q: A star's spectrum peaks at 500 nm. What is the surface temperature of the star? O a.5000 K О b.2000…

A:

Q: What is the temperature of an object if the peak wavelength of its blackbody spectrum is 1200…

A: The Wien's law can be written as, λmT=2898 μm·K

Q: 1. You look at a far away star in the night sky with a very precise telescope and notice it appears…

A: Explaination: Typically, the older stars are those that seem orange in color. These stars' surface…

Q: The speed of light in vacuum is 3 X 105 km/s and 1 km = 1,000 m and 1m = 100 cm. Use c = fA to…

A: Given data The speed of the light in a vacuum is c = 3 x 105 km/s. The wavelength of the photon is…

Q: 4. The wavelength of a distant star is observed to be 656.8 nm. In the lab, a similar type of star…

A: Depending on the observer's point of view the frequency of a source will change this effect is…

Q: A main sequence star of mass, M, and radius, R, collapses to a white dwarf star with a radius 1.0%…

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Q: 1. A carpenter builds an exterior house wall made of wood 3.0 cm thick. The wood has k = 0.080 W/mk.…

A: