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What is the difference between a lens and a mirror?
A mirror is a reflective surface. Light passes by the glass and hits the silver backing, reflecting off of it. (The angle of reflection equals the angle of incidence.)
A lens, on the other hand, does not reflect light; it refracts it. After entering the glass, light refracts in a different way depending on the shape of the lens and also makes a focal point where the refracting light comes to a point. This varies for different lenses -- convex or concave -- which is why there are dissimilar lenses for different types of eyeglasses.
De?ne reduction potential and oxidation potential. Reduction potential of a metal is the measure of tendency of a metallic electrode to gain electrons when it is in contact wit
the energy stored in the capacitor decreases with time as the capacitor discharges. After how many time constant is this stored energy one forth its initial value
Define the physical significance of damping coefficient and how can we caluclate it? What is its unit
tell me in detail about inkjet printer???
What are the applications of electron microscopy in industry? Industrial applications of electron microscopy: a. High-resolution imaging and Forensics b. Particle detecti
what different is between photons? Answer; the difference between photons depends to their frequency, and frequency depends to the number of CPH in structure of photon. Thus
Question Put the different types of light in order from lowest frequency to highest frequency. Feedback: These are all instances of electromagnetic radiation. Elect
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how to study the earth''s magnetic field using a tangent galvanometer?
As we know that"The electric potential at a certain point inside the electric field is defined as the amount of work done in bringing a unit positive test charge uniformly (without
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