State how many spectra must be averaged in order to increase

Reference no: EM13309342

How many spectra must be averaged in order to increase the signal-to-noise ratio of a spectrum from 7/1 to 20/1? i took 20/7 and squared that answer to get the actual answer as the book said to do but I keep getting it wrong I got 8.1 which apparently is incorrect

Reference no: EM13309342

Questions Cloud

Explain a solution is made by combining acetic acid : A solution is made by combining 15.0mL of 16.5M acetic acid with 5.52g of sodium acetate and diluting to a volume of 1.50L

Compute the water pressure at the second floor : A water pipe having a 2.2 cm inside diameter carries water into the basement of a house at a speed of 0.85 m/s, What is the water pressure at the second floor

What is total flow rate in each pipe-average-mass velocity : Crude oil having a specific gravity of 0.887 is flowing through a piping arrangement at a total volumetric flow rate of 30 gallons/min at the inlet in a pipe (pipe A). Pipe A, which forms the first part of the piping arrangement, is a 2-in schedule 4..

Determine what is the probability that all four have defect : If the defect rate for the flash drivers is 0.5% and you randomly select four of them for inspection: a) What is the probability that none of them has a defect b) What is the probability that all four have a defect

State how many spectra must be averaged in order to increase : How many spectra must be averaged in order to increase the signal-to-noise ratio of a spectrum from 7/1 to 20/1? i took 20/7 and squared

What was the energy of the proton beam : The mass of a bottom quark is \(4.2 GeV/c^{2}\), What was the energy of the proton beam and how fast were they moving

Determine what is probability of getting an 8gb flash driver : A manufactory company produces flash drivers and their products include: 1GB (10%), 2GB (10%), 4GB (20%), 8GB (30%), 16GB (20%) and 32GB (10%); in addition, there are four different colors for all the flash drivers

Explain which expressions is not equivalent to ph : Which of the following expressions is not equivalent to pH? a. log 1/[H+(aq)] b. 14.0-pOH c. -log [H+(aq)] d. -log Kw/[OH-] e

Find gauge pressure must the pump provide : Water is being pumped through a horizontal pipe that is 28.8 m long and 17.0 cm in diameter. what gauge pressure must the pump provide to give the same volume flow rate as for the first pipe

User Account

All Pages