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with the help of a neat and labelled diagram describe the underlying principle and working of a moving coil galvanometerwhat is the function ofi
what is diffraction of light illustrate a graph showing the variation of intensity with angle in a single slit diffraction experiment write single
explain interference of light write two essential conditions for sustained interference pattern to be produced on the screenillustrate a graph
the primary coil of an ideal step-up transformer has 100 turns and the transformation ratio is also 100 the input voltage the power are 220 v and
the given circuit diagram shows a series lcr circuit linked to a variable frequency 230 v sourcea verify the source frequency which drives the
illustrate a labelled diagram of hertzs experimental set-up to produce electromagnetic wavesdescribe the generation of- electromagnetic waves using
explain the term critical frequency in relation to sky wave propagation of electromagnetic waveson a particular day the maximum frequency reflected
what is electric flux write its si unitsusing gausss theorem assume an expression for the electric field at a point because of a uniformly charged
explain the term modulation name three dissimilar types of modulation used for a message signal using a sinusoidal continuous carrier wave describe
draw a graph showing the variation of binding energy per nucleon with mass number for dissimilar nuclei describe with the help of this graph the
why is the mass of a nucleus always less than the sum of the masses of its constituents neutrons and protonsif the total number of neutrons and
what is an intrinsic semiconductor how can this material be changed into i p-type ii n-type extrinsic semiconductor describe with the help of energy
describe with the help of a nuclear reaction in each of the following cases how the neutron to proton ratio alters duringi alpha-decayii
define the terms threshold frequency and stopping potential in relation to the phenomenon of photoelectric effect how is the photoelectric current
how is the mutual inductance of a pair of coils affected wheni separation among the coils is enhancedii the number of turns of each coil is
verify the principle of working of a cyclotron write two uses of this machinedraw a labelled ray diagram of a reflecting type telescope write its any
write the mathematical relation among mobility and drift velocity of charge carriers in a conductorname the mobile charge carriers responsible for
the electric field and electric potential at any point because of a point charge kept in air is 20 nc-1 and 10 jc-1 respectively compute the
with that purpose was famous davisson-germer experiment with electrons performedname the type of communication in which the sign is a discrete and
explain the term dielectric constant of a medium in terms of capacitance of a capacitordraw a graph showing variation of resistivity of carbon with
explain briefly with the help of circuit diagram how v - i characteristics of a p-n junction diode are obtained iii forward bias andii reverse
a distinguish among metals insulators and semiconductors on the basis of their energy bandsb why are photodiodes used preferably in reverse bias
compare and contrast the pattern which is seen with two coherently illuminated narrow slits in youngs experiment with that seen for a coherently
in youngs double slit experiment deduce the conditions for i constructive and ii destructive interference at a point on the screen draw a graph
state huygens principle with the help of a suitable diagram prove snells law of refraction using huygens