a light sensor is based on a photodiode that requires a minimum photon energy of 1.30 ev to create mobile electrons. 200nM
A sensor is a device that recognises and reacts to a certain kind of input from the outside world. The input can be any number of environmental events, including light, heat, motion, moisture, and pressure. The output is typically a signal that is processed into a human-readable form at the sensor location or electronically sent over a network to be read or used in other operations. In the internet of things, sensors are crucial (IoT). They enable the development of an ecosystem for gathering and processing information about a particular environment, allowing for easier and more effective monitoring, management, and control.
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By definition, centripetal acceleration is given by:
Where,
v: tangential disk speed
r: disk radius
Substituting values in the given equation we have:
Rounding the result we have:
Answer:
The centripetal acceleration of the disc edge in m/s^2 is:
Answer:
Rectilinear propagation describes the tendency of electromagnetic waves to travel in a straight line. Light does not deviate when travelling through a homogeneous medium, which has the same refractive index throughout; otherwise, light suffers refraction.
To solve this exercise it is necessary to take into account the concepts related to Tensile Strength and Shear Strenght.
In Materials Mechanics, generally the bodies under certain loads are subject to both Tensile and shear strenghts.
By definition we know that the tensile strength is defined as
Where,
Tensile strength
F = Tensile Force
A = Cross-sectional Area
In the other hand we have that the shear strength is defined as
where,
Shear strength
Shear Force
Parallel Area
PART A) Replacing with our values in the equation of tensile strenght, then
Resolving for F,
PART B) We need here to apply the shear strength equation, then
In such a way that the material is more resistant to tensile strength than shear force.
