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Q. What are Stark and Zeeman effects?
It is found that while electric or magnetic field is applied to the atom all of the spectral line split into several lines. The former effect is described as Stark effect while the latter is known as Zeeman Effect.
what do you mean by retardation plates?explain their functioning by taking an example of a quarter wave plate
Microwaves and Radio waves: Microwaves are produced by high frequency electromagnetic oscillators in electric circuits. Microwaves are electromagnetic waves with wavelengths i
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
Does sunlight reflected off a mirror enhance the temperature of the sun-rays? A standard planar mirror will not enhance the energy contained in the rays that reflect off it. In
Charging: During charging the device is linked across a source of D.C. supply having a voltage of about 3 volts. When the circuit is switched on the current flows inside the cell
Defect of short sightedness In this defect the image of the object is formed in front of retina or the lens become so converging.
Explain the terms (i) magnetic declination and (ii) angle of dip at a given place.
Explain the term 'resistivity' and write its S. I . unit. Derive the expression for the resistivity of a conductor in terms of number density of free electrons and relaxation time.
Inertia: the resistance an object has to a alter in its state of motion. Newton's first law of motion declares that force is NOT required to keep an object in motion. Slide
Ray Diagrams for Concave Mirrors Object Located At the Center of Curvature: Ray diagrams are meaningful tools for denoting the location of an image as generates through a con
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