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The Law of Reflection
While a ray of light strikes a plane mirror and the light ray reflects off the mirror. Reflection includes a change within direction of the light ray. The convention used to express the direction of a light ray is to denote the angle that the light ray creates along with a normal line drawn to the surface of the mirror. The angle of incidence is the angle among this general line and the incident ray; the angle of reflection is the angle among this common line and the reflected ray. According to the law of reflection, the angle of incidence equals the angle of reflection. These concepts are described within the animation below.
The forced harmonic oscillations have same displacement amplitude at frequencies ω 1 = 400 Hz and ω 2 = 800 Hz. Evaluate the resonance frequency at which the displacement is maxi
The percentage of carbon in mild steel is (A) 0.08 to 0.3 % (B) 0.5 to 1.4 % (C) 2.35 % (D) 0.5 % Ans: The percentage of carbon in mild st
Q. Why does heat makes matter to expand? Answer:- Water contracts as it cools similar to all other liquids until it reaches a temperature of about 4 degrees Celsius at whi
Newtons laws Elephant and Feather - Free Fall Assume that an elephant and a feather are dropped off a extremely tall building from the similar height at the similar time. Assum
There is more number of substances in the universe than 109 elements. Most matter we run into on a day-to-day basis is composed of compounds-substances in which two or more element
what is and gate
When the curve is not simple or linear as diode valve is known as non-ohmic device.
Simultaneity principle The principle that all of the frames of reference will have invariant simultaneity; i.e., two events perceived as simultaneous (that is, having the simi
Consider the 4-f system below where an object is placed at the input plane and is illuminated by a plane wave The object to the right is placed in the input plane where b
a) Sketch the small-signal equivalent circuit for a field-effect transistor (FET) and explain how it can be deduced from the properties of the real device. b) Draw the circuit
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