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Double-slit experiment (T. Young; 1801):
A popular experiment which illustrates the wave nature of light (and indeed of other particles). Light is passed out from a small source onto an opaque screen along two thin slits. The light is diffracted by these slits & develops an interference pattern on the other side of the screen.
What is the luminous flux of a flashlight that provides an luminance of 145 lx to the surface of water when held 0.50 m above the water?
A device which changes light energy into electrical energy is known as photoelectric cell. It is also known as photocell or electric eye.
Description about mauls law
What are lens aberrations? Give reasons for them. Illustrate the working of a simple microscope and give a mathematical expression for its magnifying power.
CPH has rest mass, so how it explained by relativity? Answer; never can we see CPH at rest condition. CPH moves faster than light.
Assignment of applications of elastic behaviour of materials
Peltier effect (J.C.A. Peltier; 1834) The change in temperature generated at a junction among two dissimilar metals or semiconductors while an electric current flow through the
A steel wire in a piano has a length of 0.6000 m and a mass of 3.600 10 -3 kg. To what tension must this wire be stretched in order that the fundamental vibration correspond to
what is the importance of laser?
Is the fiber end important? So far as the actual light output the fiber termination has little affects on the overall light output. However, it is very important; while at the
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