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the value of plancks constant is 663x 10-34js the velocity of light is 30x 108ms-1 which value is closest to the wavelength in
if a polarizer is placed in front of each slit what modification be observed in the interference fringesa when the two polarizing axes are
if young two slit interference experiment is done with white light what could be
how does the distance between fringes in youngs double slit experiment changea if the colour of the light is changed from red to blueb if the slit
in bohr series of lines of hydrogen spectrum the third line from the red end corresponds to which one of the following inter-orbit jumps of the
what do you mean by an optical fiber state its principlecan we minimize chromatic and spherical aberrations simultaneously if so
explain squirrel- cage rotorsquirrel- cage rotor having of a slotted laminated core of sheet-steel the slots of the rotor are not always parallel to
state and illustrate huygens principle explain the consequences of total internal
show the types of chromatic aberration what do you understand by fraunhoffer lines explain their
which of the following electron transition in a hydrogen atom will require the largest amount of1 from n-1 to n2 2
if the refractive index of a medium is 15 determine the critical anglewrite the difference between telescope and
the measurements taken in ramdesns eyepiece more worthy reliable than huygens eyepiece whydescribe critical angle show its relationship with
the frequency of one of the lines in paschen series of hydrogen atom is2340x1011hz the quantum number n2 which produces this transition is1
what are the demerits of huygens eyepiecethe angles of deviations for violet and red colors of a crown prism are 523o and 515o respectively determine
working of single ndashphase induction motorworking construction of a single -phase motor is same to that of a three -phase induction motor except
what do you mean by normal adjustment of a telescope in what way it is betterwhat is the need of erecting lens in a terrestrial telescopewhat do you
which of the following has maximum number of unpaired electron atomic number of fe 261 fe 2 fe
given the ratio of velocities of two light waves traveled in vacuum and having wave lengths 5000ao and 6000aocan you explain by working of diamonds
advantages of dc transmission of power 1 it needs only two conductors as compared to three for ac transmission2 there is not an inductance
what do you mean by the ratio of the frequency of fourth overtone to the fundamental frequency of a stretched
the third line in balmer series corresponds to an electronic transition between which bohrs orbits in hydrogen1 5 rarr
what do you understand by absorption coefficient which is a better absorber of sound glass or fibre
what do you understand by end correction in resonating air columnwhat occures to the frequency of a tuning fork a when it is loaded with a little wax
what do you understand by reverberation who is the founder of architectural acousticswhat is newtons formula for velocity of sound in a gas how is it
disadvantages of dc transmission of power1 electric power cannot be produced at high dc voltages because of commutation problem2 the dc voltage