supply of equipment of physics laboratory-2 study of electron spin resonance-determine magnetic field as a function of the resonance frequency. 3 study of zeeman effect: with external magnetic field; hyperfine splitting. 4 to verify the law of malus for plane polarized light. model: detech -ml01 5 to analyze elliptically polarized light by using a babinet’s compensator. model: detech-bc01, complete with babinet compensator, sodium lamp, lamp house, transformer, polariser, analyser, optical bench with riders. 6 to determine the wavelength and velocity of ultrasonic waves in a liquid ( kerosene oil, xylene, etc. ) by studying the diffraction through ultrasonic grating. model: detech-usw01. nobjective: n1. to study the diffraction of light due to propagation of ultrasonic wave in a liquid n2. to determine the speed of sound in various liquids at room temperature n3. to determine the compressibility of the given liquids. napparatus: n1. radio frequency oscillator fitted with a frequency meter n2. quartz crystal slab fitted with two leads n3. spectrometer n4. glass cell with sample liquid ( kerosene / toluene / turpentine oil etc ) n5. sodium lamp n6. spirit level. 7 to study polarization and double slit interference in microwaves. 8 to verify the stefan’s law of radiation and to determine stefan’s constant. model: detech –sbbr nmeasurement of stefans constant using black body radiation. ncomplete with stefans conatant apparatus, very high sensitive light spot galvanometer with sensitivity control, high quality thermocouple.3 lt cu boiler, rubber tube, electrical heater with temp. control. n 9 to determine the boltzmann constant using v-i characteristics of pn junction diode. model: detech-boltz nthe apparatus consists: n ( a ) a digital millivoltmeter ( 0 – 9.99 v ) to measure the voltage across the diode. n ( b ) a highly stabilized power supply whose voltage can be varied in steps of 1 mv using a ten – turn potentiometer. 10 to measure the magnetic susceptibility of solids. napparatus for the measurement of susceptibility of solids by gouys method. nthe apparatus consists of: na ) scientific balance, ( with weight box ) nb ) al. samples and glass tube for powder samples nc ) gouy’s balance stand nd ) electromagnet, detech ne ) constant current power supply, detech nf ) digital gaussmeter, detech ncomplete in all respect . make : detech n 11 to measure the dielectric constant of a dielectric materials with frequency.model: detech-dc nto calculate dielectric constant of solids. nthe instrument consists of a high frequency r.f oscillator 4mhz with outer gang condenser, optimum tuning is indicated on meter. the change in meter reading after placing dielectric material between parallel plates can be detected and difference can be noted. works on 220v av 50hz. ndielectric constant experiment consists of the following: n1. dielectric constant apparatus. n2. variable gang capacitor n3. test capacitor ( solid gang condenser ) nthree types of bakalite sheets for dielectric materials ntwo set of leads n 12 to determine the complex dielectric constant and plasma frequency of metal using surface plasmon resonance ( spr ) 13 to draw the bh curve of fe using solenoid & determine energy loss from hysteresis. model: detech - bhct nto draw bh curve of a fe using solenoid and determine energy loss from hysteresis nb-h curve tracer nsetup consists of main unit having variable a.c. supply and control for magnetizing coil, specially designed power supply for pickup probe, i.c. holder having magnetizing coil and pickup probe. samples of different materials ( 4 nos. ) . nadditional accessory required : c.r.o. ( not supplied ) nobjective n1. study of the hysteresis curves of transformer stampings, ferrites and other magnetic materials of different shapes and determination of their energy losses. n2. study of the hysteresis curve as a function of the magnetic field. n3. determination of saturation, magnetization, reminence and coercivity of magnetic nmaterials n 14 to measure the resistivity of semiconductor ( ge ) with temperature by four-probe method ( room temperature to 1500 c ) and to determine its band gap. model : detech – bg-s-d nto study the temperature dependence of reverse saturation current in a junction diode & hence to determine the band gap of semiconductor. complete with temp. controlled oven, digital voltmeter, digital micro ammeter, dc regulated power supply, semiconductor, thermometer, manual. n 15 to determine the hall coefficient of a semiconductor sample. ncomplete with the following : nhall probe ( ge crystal-n type ) nhall probe ( ge crystal-p type ) nhall probe stand ( wooden ) nhall effect set up detech nelectromagnet. detech nconstant current power supply. detech nballistic galvanometer nlamp & scale nstandard solenoid nphol`s commutator nrheostat 25 ohms / 5 a - heavy duty n 16 vacuum desiccator.