How a Lens Refracts Light?
First lets consider a double convex lens. Suppose that several rays of light approach the lens; and suppose that these rays of light are traveling parallel to the principal axis.
Upon reaching the front face of the lens, e…Read More
Young Modulus
The value of a Stiffness Constant only applies to a certain sample. For example, a longer piece of the same material would have a lower stiffness constant. The Young Modulus on the other hand is a material property, meanin…Read More
Lens & its Types
If a piece of glass or other transparent
material takes on the appropriate shape, it is possible that parallel
incident rays would either converge to a point or appear to be diverging
from a point. A piece of glass that h…Read More
Thermochemistry with Experimental Determination
Thermochemistry
When a reaction occurs, it may either give out energy, in the form of heat (exothermic), or take in energy (endothermic). The amount of energy that is given out or taken in can be measured as the Enthalp…Read More
Upthrust and Viscosity
Upthrust
A fluid will exert a force upward
on a body if it is partly or wholly submerged within it. This is
because the deeper into a fluid you go, the greater the weight of it and
so the greater the pressure. This d…Read More
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