Assuming that detector records every radiation incident upon

Assignment Help Physics
Reference no: EM13650093

A radiation detector is in the form of a circular disc of diameter3.0 cm. It is held 25cm from a source of radiation, where itrecords 1250 counts per second. Assuming that the detector records every radiation incident upon it, find the activity of the sample(in curies).

Reference no: EM13650093

Questions Cloud

What is the expectation value of energy : A particle of mass m in an infinite well has its initial wavefunction ψ (x,0) = A[ψ1(x) +ψ3(x)] where ψ1(x) and ψ3(x) are stationary states. The boundaries of the well are x = 0 and x = a.
Calculate the total work done by the gas in the process : An ideal gas expands at a constant total pressure of 3.0 atm from 400 mL to 600 mL. heat then flows out of the gas at a constant volume, and the pressure and temperature are allowed to drop until the temperature reaches its original value.
Calculate hookes contant k for this spring : A mass of 2.5 kg is suspended from the end of aspring; the other end of the spring is attached to the ceiling. Theequilibrium length of the spring (with no mass attached) is 1.0 m.The length with the mass attached is 1.136 m.
Given a series circuit of a 24 volt dc power supply : Given a series circuit of a 24 volt DC power supply, a switch, a 47 kΩ resistor, and two 100 μF capacitors in parallel, how long after the switch is closed, will the voltage across the capacitors be 14.5 Volts?
Assuming that detector records every radiation incident upon : A radiation detector is in the form of a circular disc of diameter3.0 cm. It is held 25cm from a source of radiation, where itrecords 1250 counts per second. Assuming that the detector records every radiation incident upon it, find the activity of th..
Estimate the mass of water vapour emitted from the cooling : Estimate the mass of water vapour emitted from the cooling towerseach hour, the mass of water vapour produced in a week, and thevolume of condensed water vapour produced in a week.
What is the significance of the mathematical expectation : Suppose the random variable measures the rate of return on a single investment. What is the significance of the mathematical expectation of this random variable in investment decisions?
What force did the ground exert on the capsule : On sept 8 2004 the genesis spacecraft crashed because the parachutedid not open. The 210kg capsule hit the ground at 311km/h and penitrated the ground to a depth of 81cm. what force did the ground exert on the capsule
Light diffracts from two pinholes separated : You have a convex lens of focal length 3cm and NA=0.6. Light diffracts from two pinholes separated by a distance d. What is the smallest d can resolve using green light and what is the diameter of the lens?

Reviews

Write a Review

Physics Questions & Answers

  Determine how far is one light year in kilometers

A light year is defined as the distance light can travel at 3 x 108 m/s in one year (365 days). How far is one light year in kilometers

  How much electric power is consumed by pump

A pump on the ground floor of a building can pump up water to fill a tank of volume 30 m^3 in 15 min. If the tank is 40m above the ground and the efficiency of the pump is 30%

  The same straight-line path

The author's cat enjoys chasing chipmunks in the front yard.

  What is the mutual inductance of the pair of coils

Two coils are wound around the same cylindrical form. When the current in the first coil is decreasing at a rate of -0.240 A/s , What is the mutual inductance of the pair of coils

  Calculate the minimum value of the index of refraction

A glass sheet 1.10 ?m thick is suspended in air. Calculate the minimum value of the index of refraction of the glass sheet that produces this effect

  Find out the tension in the cable

A flagpole of length 9 m and mass 35 kg is hinged at one end, where it is connected to a wall as sketched below. The pole is held up by a cable attached to the end. Find out the tension in the cable. (Assume the flagpole has an uniform mass distr..

  What is the magnitude of the force on this segment of wire

A segment of wire carries a current of 20 A along the y-axis from y = 2.0 to y =0 and then along the x axis from x = 0 to x =-4.0 m. What is the magnitude of the force on this segment of wire

  How far would the rock fall

If an astronaut dropped a small rock near the surface of Pluto, how far (in m) would the rock fall in 2.4 s

  A 71 tall graduated cylinder is filled with 21 of glycerin

a 71 tall graduated cylinder is filled with 21 of glycerin density 1260 and 50 of water. find the pressure difference

  What is the direction of current flow if any

You are holding a conducting loop of copper and looking at its circle. Behind it is a long current-carrying wire carrying the current from left to right. what is the direction of current flow if any

  Find a relation between the variables

Two blocks of masses m1 and m2 are connected by an ideal string passing over an ideal pulley. Find a relation between the variables that would guarantee that the block is initially slowing down

  A beam of laser light with wavelength 612 nm is directed

a beam of laser light with wavelength 612 nm is directed through a slab of glass having index of refraction 1.5.a for

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd