Determining the slit separation
Laser light of 589nm weavlengthis shown through parallel slits forming a series of maximum on a screen 4.20m away. If the distance between the central maximum and the first order maximum is 1.67 cm, what is the slit separation?
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In a clinical study, volunteers are tested for a gene that has been found to increase the risk for a disease. The probability that a person carries the gene is 0.1.
A 1.0 dm^3 glass bulb contains 1.0 x 10^23 H2 molecules. If the pressure exerted by the gas is 100 kPa, what are (a) the temperature of the gas, (b) the root mean square speeds of the molecules?
In a Young's double slit experiment, a 5th order maximum occurs at an angle of 1.422 degree. If the screen is 3.9m from the slit and the slit separation is 0.135mm, what weavlength being used?
How many collisions does a single Ar atom make in 1.0 s when the temperature is 25 degrees Celcius and the pressure is (a) 10 atm, (b) 1.0 atm, (c) 1.0 μatm?
Suppose the random variable X has a geometric distribution with a mean of 2.5. Determine the following probabilities. Round your answers to four decimal places (e.g. 98.7654).
An excited hydrogen atom with an electron in the n = 5 stateemits light having a frequency of 6.90 x 10^14 s^-1. Determine the principal quantum level for the final state in thiselectronic transition.
A double-slit experiment is performed and then redone using slits of double the previous separation. Nothing else is changed. If the approxmation sin Q = Q holds, what happens to the angle between the maxima?
A 50 kg force block at rest on a frictionless surface is acted on by forces F1 = 5.5 N and F2 = 3.5 N . What additional forces keep block at rest?
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