Physical Measurements in Sound, Light, Magnetism and Electricity

abscissæ actinometer adjust angle of incidence battery bi-prism calculate calibration cell centimeter circuit coil collimator compass needle connected constant Cosine Nat Cotangent cross-hairs crystal Daniell cell diameter difference in potential direction diverging lens electricity eyepiece face focal length focus galvanometer Glazebrook and Shaw Hastings and Beach horizontal index of refraction Kohlrausch lenses lines of force liquid magnetic field Measure the distance meter method mirror move Nicol Nicol prism object observed Ohm's law parallax parallel light perpendicular placed plane of polarization plate pointer pole position potentiometer prism radius of curvature readings real image References-Edser reflecting surface refractive index resistance box ring rotation scale screen screw slide slit sodium flame spherometer substance tance Tangent tangent galvanometer telescope temperature terminals thickness tion total reflection tube turn velocity of sound vertical vibration Watson wave-length Wheatstone bridge wire zero