Find the diameter of the central bright spot on the moon

Assignment Help Physics

Reference no: EM13271948

A spotlight sends red light (wavelength = 694.3 nm) to the moon. At the surface of the moon, which is 3.77 multiply.gif 108 m away, the light strikes a reflector left there by astronauts. The reflected light returns to the earth, where it is detected. When it leaves the spotlight, the circular beam of light has a diameter of about 0.30 m, and diffraction causes the beam to spread as the light travels to the moon. In effect, the first circular dark fringe in the diffraction pattern defines the size of the central bright spot on the moon. Determine the diameter (not the radius) of the central bright spot on the moon.

Reference no: EM13271948

Questions Cloud

Find the molar specific heat at constant volume : A monatomic gas is adiabatically compressed to 0.500 of its initial volume. How do each of the following quantities change The molar specific heat at constant volume

Explain allotropes of phosphorus : list the names and chemical formulas for two allotropes of oxygen, three allotropes of phosphorus, and four allotropes of carbon

Calculate the weight of a hanging object : An aluninum wire has a length of 8 m and a cross-sectional radius of 0.004 m. Calculate the weight of a hanging object

What is the projected dividend for the coming year : The required return on this stock is 12 percent, and the stock currently sells for $80 per share. What is the projected dividend for the coming year?

Find the diameter of the central bright spot on the moon : A spotlight sends red light (wavelength = 694.3 nm) to the moon. At the surface of the moon, which is 3.77 multiply.gif 108 m away, Determine the diameter (not the radius) of the central bright spot on the moon

Determine the work done by the bat on the ball : A pitched baseball of mass .200kg, arives at home plate with a speed of 40m/s and is batted straight back to the picture, determine the work done by the bat on the ball

What is the ocf for this project : If the tax rate is 40 percent, what is the OCF for this project?

What will be the diameter of your coil : You have a 2.5m long copper wire. You want to make an N-turn current loop that generates a 1.2mT magnetic field at the center when the current is 1.9A, What will be the diameter of your coil

Explain when a mixture of acetylene and oxygen is ignited : When a mixture of 12.5g of acetylene (C2H2) and 12.5g of oxygen (O2) is ignited, the resultant combustion reaction produces CO2 and H2O

User Account

All Pages