Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Physics Expert

Unreasonable Results

The manufacturer of a smoke alarm decides that the smallest current of α radiation he can detect is 1.00 µA .

(a) Find the activity in curies of an α emitter that produces a 1.00 µA current of α particles.

(b) What is unreasonable about this result?

(c) What assumption is responsible?

Physics, Academics

  • Category:- Physics
  • Reference No.:- M92062397

Have any Question?


Related Questions in Physics

Question the passengers in a roller coaster car feel 50

Question: The passengers in a roller coaster car feel 50% heavier than their true weight as the car goes through a dip with a 30 m radius of curvature. What is the car's speed at the bottom of the dip? The response must ...

Question the outstretched hands and arms of a figure skater

Question: The outstretched hands and arms of a figure skater preparing for a spin can be considered a slender rod pivoting about an axis through its center . When his hands and arms are brought in and wrapped around his ...

You throw two balls of equal masses m0992 kg vertically

You throw two balls of equal masses ( m =0.992 kg) vertically upward at an interval of Δ t =  1.41 seconds with the same initial speed of  v i=35.3 m/s from the same height. At what height will they collide, measured rel ...

Question which statements about potential energy are

Question: Which statements about potential energy are correct? Select all that apply. a) The potential energy of a pair of interacting charged objects increases as the distance between them increases. b) Potential energy ...

Question a solid disk of mass m1 96 kg and radius r 024 m

Question: A solid disk of mass m1 = 9.6 kg and radius R = 0.24 m is rotating with a constant angular velocity of ? = 30 rad/s. A thin rectangular rod with mass m2 = 3.4 kg and length L = 2R = 0.48 m begins at rest above ...

A body moving with uniform acceleration has a velocity of

A body moving with uniform acceleration has a velocity of 18.9 cm/s when its x coordinate is 1.88 cm. If its x coordinate 2.68 s later is -5.03 cm, what is the x-component of its acceleration? Answer in units of cm/s2.

Consider the roller coaster below in terms of speedwhere

Consider the roller coaster below in terms of speed. Where will it speed up and where will it slow down? From this consideration, make a sketch of a velocity-time graph for this image. Explain your graph. Post your sketc ...

Question a proton with an initial speed of 800000 ms is

Question: A proton with an initial speed of 800000 m/s is brought to rest by an electric field. Part A- Did the proton move into a region of higher potential or lower potential? Part B - What was the potential difference ...

An oil film n 148 floating on water n 133 is illuminated

An oil film (n = 1.48) floating on water (n = 1.33) is illuminated by white light at normal incidence. The film is 274 nm thick. The reflected light will be predominately a single color. Find the wavelength of the domina ...

The amount of chemical energy released in burning heating

The amount of chemical energy released in burning heating oil is approximately 130 MJ per gallon. This is the amount of energy released as heat during combustion. (a) Suppose that during the winter, heating a home with o ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As