Question

In: Physics

Three discrete spectral lines occur at angles of 10.7°, 14.3°, and 14.6° in the first-order spectrum...

Three discrete spectral lines occur at angles of 10.7°, 14.3°, and 14.6° in the first-order spectrum of a grating spectrometer. (Assume that the light is incident normally on the gratings.) (a) If the grating has 3 610 slits/cm, what are the wavelengths of the light? (Enter your answers from smallest to largest.)

___________nm

___________nm

___________nm

(b) At what angles are these lines found in the second-order spectrum? (Enter your answers from smallest to largest.)

____________°

____________°

____________°

Solutions

Expert Solution


Related Solutions

Three discrete spectral lines occur at angles of 10.2°, 13.5°, and 14.6°, respectively, in the first-order...
Three discrete spectral lines occur at angles of 10.2°, 13.5°, and 14.6°, respectively, in the first-order spectrum of a diffraction grating spectrometer. (a) If the grating has 3780 slits/cm, what are the wavelengths of the light? λ1 =  nm (10.2°) λ2 =  nm (13.5°) λ3 =  nm (14.6°) (b) At what angles are these lines found in the second-order spectra? θ =  ° (λ1) θ =  ° (λ2) θ =  ° (λ3)
The wavelengths in the hydrogen spectrum with m = 1 form a series of spectral lines...
The wavelengths in the hydrogen spectrum with m = 1 form a series of spectral lines called the Lyman series. Part A Calculate the wavelength of the first member of the Lyman series. Express your answer to three significant figures and include the appropriate units. λ1λ 1 = nothing nothing Request Answer Part B Calculate the wavelength of the second member of the Lyman series. Express your answer to three significant figures and include the appropriate units. λ2λ 2 =...
Questions for my lab: What is the significance of the observation of discrete spectral lines in...
Questions for my lab: What is the significance of the observation of discrete spectral lines in the emission spectrum of hydrogen? What is the possible effects due to the adjustment of the spectrometer in a hydrogen spectrum? What is the possible effects due to the orientation of the grating in a hydrogen spectrum? Thanks
Which spectral lines in the emission spectrum of hydrogen atoms can be observed if the atoms...
Which spectral lines in the emission spectrum of hydrogen atoms can be observed if the atoms are excited by electrons with kinetic energy E_kin = 13.3eV?
Draw a sketch for the Hydrogen (discrete) spectrum, labeling the lines according to their respective quantum...
Draw a sketch for the Hydrogen (discrete) spectrum, labeling the lines according to their respective quantum transitions. Also point out in which direction the wavelength increases.
A star has strong molecular lines in its spectrum. What is its spectral class? O B...
A star has strong molecular lines in its spectrum. What is its spectral class? O B A F G K M What is its approximate temperature? ________ K
1) why do atoms have discrete spectral lines? 2) Is it possible for different atomic transitions,...
1) why do atoms have discrete spectral lines? 2) Is it possible for different atomic transitions, in a particular atom, to give off the same colour photons?why? 3) A beam of red photons and blue photons are sent through a diffraction grating simultaneously. Sketch the diffraction pattern of both colours. 4) The spectrometer provided is able to measure angles to a precision of 1 minute (1'). Given that 60'=1degree, convert the following angles, 31degree 21' and 12degree 5', into degrees.
three of the strongest lines in the He+ ion spectrum are observed at the following wavelengths:...
three of the strongest lines in the He+ ion spectrum are observed at the following wavelengths: (1) 121.57 nm (2) 164.12 nm (3) 25.64 nm. Find the quantum numbers of the initial and final states for the transitions that give rise to the these three lines. Use equation 4, the wavelengths of lines that can originate from transitions involving any two of the four lowest levels. Equation 4: delta E = E(upper) - E(lower) = (1.119627 x 10^5 kJ/mole) /...
Why are the higher-order spectra more accurate than the first-order spectrum in determining wavelengths of light?
Why are the higher-order spectra more accurate than the first-order spectrum in determining wavelengths of light?
If white light illuminates a diffraction grating having 750 lines/mm, over what range of angles does the visible m = 1 spectrum extend?
The human eye can readily detect wavelengths from about 400 nm to 700 nm. If white light illuminates a diffraction grating having 750 lines/mm, over what range of angles does the visible m = 1 spectrum extend?  
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT