Questions from College Physics

Q: Light of wavelength 620. nm falls on a double slit,

Light of wavelength 620. nm falls on a double slit, and the first bright fringe of the interference pattern is seen at an angle of 15.0° from the central maximum. Find the separation between the slits...

Q: Intense white light is incident on a diffraction grating that has 600

Intense white light is incident on a diffraction grating that has 600. lines/mm. (a) What is the highest order in which the complete visible spectrum can be seen with this grating? (b) What is the ang...

Q: The hydrogen spectrum has a red line at 656 nm and a

The hydrogen spectrum has a red line at 656 nm and a violet line at 434 nm. What angular separations between these two spectral lines can be obtained with a diffraction grating that has 4.50 x 103 lin...

Q: Consider an array of parallel wires with uniform spacing of 1.

Consider an array of parallel wires with uniform spacing of 1.30 cm between centers. In air at 20.0°C, ultrasound with a frequency of 37.2 kHz from a distant source is incident perpendicular to the ar...

Q: A helium–neon laser (λ = 632.8 nm

A helium–neon laser (λ = 632.8 nm) is used to calibrate a diffraction grating. If the first - order maximum occurs at 20.5°, what is the spacing between adjacent grooves in the grating?

Q: White light is spread out into its spectral components by a diffraction

White light is spread out into its spectral components by a diffraction grating. If the grating has 2.00 x 103 lines/cm, at what angle does red light of wavelength 6.40 x 102 nm appear in the first -...

Q: Light from an argon laser strikes a diffraction grating that has 5310

Light from an argon laser strikes a diffraction grating that has 5310 grooves/cm. The central and first - order principal maxima are separated by 0.488 m on a wall 1.72 m from the grating. Determine t...

Q: White light is incident on a diffraction grating with 475 lines/

White light is incident on a diffraction grating with 475 lines/ mm. (a) Calculate the angle θr2 to the second - order maximum for a wavelength of 675 nm. (b) Calculate the wavelength of light with a...

Q: Sunlight is incident on a diffraction grating that has 2750 lines/

Sunlight is incident on a diffraction grating that has 2750 lines/ cm. The second - order spectrum over the visible range (400.– 700. nm) is to be limited to 1.75 cm along a screen that is a distance...

Q: Monochromatic light at 577 nm illuminates a diffraction grating with 325 lines

Monochromatic light at 577 nm illuminates a diffraction grating with 325 lines/mm. Determine (a) The angle to the first - order maximum, (b) The highest order that can be observed with this grating at...