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q measurement of wavelength of monochromatic lightmonochromatic light is allowed to fall on plate g1 the mi is adjusted for circular fringes for this
q explain construction of michelsons interferometerit consists of two highly polished plane mirror m1 and m2 with two optically plane glass plate g1
q briefly explain working of michelsons interferometermichelson designed an instrument for the measurement of wavelength of sodium light thickness of
hence refractive index micro can be determine by measuring the diameter of newtons rings first with air and then with the liquid for same value of
velocity of light in moving media sagnac formula and its application in optical gyroscopesin 1913 the french physicist georges signac published some
a diode in a circuit similar to the one in figure 29-26 has a voltage drop vd of 095 v when i 18 ma if a 390 omega resistor r is connected in
at 2000 k silicon has 189 x 105 thermally liberated charge carrierscm3if it is doped with 1 as atom to 375 million si atoms what is the ratio of
at 2000 k germanium has 116 x 1010 thermally liberated charge carrierscm3if it is doped with 1 as atom to 525000 ge atoms what is the ratio of doped
silicon has 145 x 1010 free electronscm3 at room temperature if you wanted to have 3x106 as many electrons from arsenic doping as thermal free
at 2000 k silicon has 379 x 10-18 free electrons per atom how many free electronscm3 are there in silicon at this
at 4000 k germanium has 113 x 1015 free electronscm3how many free electrons per ge atom are there at this temperatureat 4000 k silicon has 454 x 1012
if a hydrogen atom in its ground state absorbs a photon with a wavelength of 93 nm it jumps to an excited state what is the value of the energy in
an electron in the hydrogen atom loses 302 ev as it falls to energy level e2 from which energy level did the atom
an electron in a hydrogen atom makes a transition from e3 to e1 how much energy does the atom
when a metal is illuminated with radiation with a wavelength of 152 nm photoelectrons are ejected with a velocity of 79 x 105 ms what is the work
a metal has a work function of 480 evwill ultraviolet radiation with a wave length of 385 nm be able to eject a photoelectron from the
light with a frequency of 75 x 1014 hz is able to eject electrons from the metal surface of a photocell that has a threshold frequency of 52 x 1014
the stopping potential of a photocell is 23 v what is the initial velocity of an emitted photoelectron that is brought to a stop by the
determine the charge of the lithium iona mass spectrometer often is used in carbon dating to verify the ratio of c-14 isotopes to c-12 isotopes in a
a proton with a velocity of 398 x 104 ms perpendicular to the direction of a magnetic field follows a circular path with a diameter of 412 cmif the
an electron moves perpendicular to earths magnetic field with a speed of 178 x 106 ms if the strength of earths magnetic field is about 500 x 10-5
a transformer has 124 turns on the primary coil and 18600 turns on the secondary coila is this a step-down or a step-up
a step-down transformer has 9000 turns on the primary coil and 150 turns on the secondary coil the emf in the primary coil is 16 vwhat is the voltage
a step-up transformer has a primary coil having of 152 turns and a secondary coil with 3040 turns the primary coil receives a peak voltage of 98 va
electrons travelling at right angles to a magnetic field experience a force of 83 x 10-13 n when they are in a magnetic field of 62 x 10-1 t how