Physics Essay Examples

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Solving Problems About Radiation

Exercise 1.1 Intensity of Radiation1. Assuming the radiation emitted by the cellular is in the form of spherical waves. What is the intensity of this radiation at the following distances:a) 10 cmIntensity = power / area...
3 Pages 
(710 Words)
Published: 
2021-04-28 01:59:29

Physics Problems Related to Motors

Problem 1 (20 marks)The cylindrical iron-clad solenoid magnet shown in Figure 1 has a plunger which can move a relatively short distance x developing a large force ffld. The plunger is guided so that it can move in vertical direction onl...
3 Pages 
(735 Words)
Published: 
2021-04-30 10:40:54

Relationship Between Electrostatic Force and Its Counterforce

The experiment involved the study of the relationship between electrostatic force and its counterforce which was the torque on a movable ball held a distance away from a charged ball. The aim of the experiment was to identify the quantitative r...
2 Pages 
(488 Words)
Published: 
2021-04-23 03:59:20

What is Reality?

How do human beings consciously understand the lucid dream world? Do the neurons in the brain stem seen as the main sensory data by the brain? The movement and revolution into new findings and different stages in the history of human beings on ...
2 Pages 
(589 Words)
Published: 
2021-05-05 11:19:56

Thermodynamics Is the Study of Heat

a) Thermodynamics researchers discovered the First law of thermodynamics (energy can neither be created nor destroyed)4. Entropy is the measure of the amount of energy dispersed in a particular system5. In the Second law of dy...
6 Pages 
(1542 Words)
Published: 
2021-05-11 20:07:04

The Venture Meter and Orifice Meter

The energy equation assuming no losses is:If the venture is mounted horizontally, the elevation head z cancels out and the equation simplifies to:The continuity equation (mass balance) for incompressible flow is:The theoret...
2 Pages 
(601 Words)
Published: 
2021-05-12 15:28:20

The Combined Cas Law

The combined gas law is a gas law which combines Charles's law, Boyle's law, and Gay-Lussac's law.This law states: The ratio between the pressure-volume product divided by the temperature of a system remains constant.This can be s...
2 Pages 
(531 Words)
Published: 
2021-05-12 02:48:20
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Cerenkov Light

Charged particles have electric field around them and the energy is carried by photons. This makes the field only able to travel at the speed of light. If the particles are made to travel at a speed higher than that in a liquid medium such as w...
6 Pages 
(1660 Words)
Published: 
2021-05-13 18:06:01

Linearity with Exposure Time

When 5.27 Mbq of 18f-FDG is placed in IVIS spectrum, it is noted that the intensity of the amount of luminescence and the total count for all pixel increase with exposure time. Exposure time affects two factors that determine intensity of lumin...
6 Pages 
(1747 Words)
Published: 
2021-05-13 07:02:50

Cerenkov Luminescence Imaging

Cerenkov Luminescence Imaging is a concept that uses a light emission from medical isotopes such as 18F and 68Ga (Zhang et al. 2013). During this process, Cerenkov radiation (CR) is given out which are charged particles that travel through an e...
3 Pages 
(823 Words)
Published: 
2021-05-17 23:01:09