Find by what amount does the intensity level decrease

Reference no: EM13562491

The distance to a point source is increased by a factor of3.

(a) By what factor does the intensity decrease?

(b) By what amount does the intensity level decrease?

Reference no: EM13562491

Questions Cloud

Evaluate what is the specific heat of the substance : When 215 g of a substance is heated to 330degrees Celcius andthen plunged into a 100-g aluminum calorimeter cup containing 150 gof water at 12.5degrees celcius, What is the specific heat of the substance

What is themagnitude of his horizontal recoil velocity : One of James Bond's adversaries is standing on a frozen lake;there is no friction between his feet and the icewhat is themagnitude of his horizontal recoil velocity

What will be the total cost of the material in compacted : Material for an earth filll was available from borrow sites at $6.4 per cubic meter and a void ratio of 0.8. In the compacted state the fill measured 100,000m3 at void ratio of 0.7. what will be the total cost of the material in compacted state?

Evaluate what is the change in the temperature of the gas : Three moles of a monatomic ideal gas are heated at a constantvolume of 2.40 m3. Theamount of heat added is 4.72 103 J. What is the change in the temperature of the gas

Find by what amount does the intensity level decrease : The distance to a point source is increased by a factor of3. By what amount does the intensity level decrease

Find how much charge flows through a point in the circuit : One hundred turns of (insulated) copper wire are wrapped arounda wooden cylindrical core of cross-sectional area 8.05 x10-3 m2. how much charge flows through a point in the circuit during the change

Calculate new density of gas : the density of helium gas at T=0 degrees Celcius is 0.179kg/m3. Temp is raised to 100 degrees Celcius, but pressure isconstant. calculate new density of gas

Determining the minimum guy lead length to the nearest foot : You are an engineer working for a utility company. Your project team is designing the power distribution (overhead wires) in a new subdivision. Shown in the following is the last pole along one of the streets. For this dead end configuration you have..

Calculate what is the atomic number of this atom : An electron drops from the L shell to the K shell and givesoff an X-ray with a wavelength of 0.0200 nm. What is the atomic number of this atom

User Account

All Pages