Engineering, 21.11.2019 05:31 rol15
The fundamental limit of resolution of a microscope, telescope, or camera is due to the very nature of light itself. why do you think this limit of resolution is described as ‘diffraction limited? ’ (hint: imagine having two tiny point objects that are very close together are trying to see them as separate objects). based on what you saw in this lab, do you think the choice of the wavelength of light used in microscopy affects the resolution?
Answers: 3
Engineering, 04.07.2019 18:20
Describe one experiment in which the glass transition temperature and melting temperature of a totally amorphous thermoplastic material can be determined. show the relevant experimental results in a diagram which should be properly annotated with the two temperatures clearly marked. what is likely to happen to the curve in the diagram if the amorphous polymer is replaced by a thermosetting type?
Answers: 2
Engineering, 04.07.2019 19:10
An engine, weighing 3000 n, is supported on a pedestal mount. it has been observed that the engine induces vibration into the surrounding area through its pedestal at the maximum operating speed. determine the stiffness of the dynamic vibration absorber spring in (n/m) that will reduce the vibration when mounted on the pedestal. the magnitude of the exciting force is 250 n, and the amplitude of motion of the auxiliary mass is to be limited to 2 mm note: in this question type-in right numbers, no decimals, no fractions, no unit. approximate to right number if needed
Answers: 3
Engineering, 06.07.2019 03:20
Asimply supported beam abc of length l has ab of length hl and second moment of area / and bc of length hl and second moment of area i2. determine the strain energy stored in the beam when it is subject to a vertical load f at its midpoint and the consequential central deflection.
Answers: 2
Engineering, 06.07.2019 04:30
State two advantages and two disadvantages of interchangeability.
Answers: 3
The fundamental limit of resolution of a microscope, telescope, or camera is due to the very nature...
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