SOURCE OF LIGHT*1*GPH_1B01_001D.XML#GPH_1B01_001D.WAV
RAY OF LIGHT*2*GPH_1B01_009D.XML#GPH_1B01_009D.WAV
TRANSPARENT BODIES*3*GPH_1B01_011D.XML#GPH_1B01_011D.WAV
OPAQUE BODIES*4*GPH_1B01_012D.XML#GPH_1B01_012D.WAV
SHADOW*5*GPH_1B02_002D.XML#GPH_1B02_002D.WAV
PENUMBRA*6*GPH_1B02_004D.XML#GPH_1B02_004D.wav
REFLECTING ANGLE*7*GPH_1B03_005D.XML#GPH_1B03_005D.wav
FALLING ANGLE*8*GPH_1B03_004D.XML#GPH_1B03_004D.wa
NORMAL*9*GPH_1B03_003D.XML#GPH_1B03_003D.wav
APPARENT IMAGE*10*GPH_1B03_010D.XML#GPH_1B03_010D.wav
PLANO-CONVEX MIRROR*11*GPH_1B04_001D.XML#GPH_1B04_001D.wav
PLANO-CONCAVE MIRROR*12*GPH_1B04_002D.XML#GPH_1B04_002D.wav
OHNISKOVÁ VZDÁLENOST*13*GPH_1B04_007D.XML#GPH_1B04_007D.wav
MAIN OPTICAL AXIS OF A MIRROR*14*GPH_1B04_005D.XML#GPH_1B04_005D.wav
REAL FOCUS OF A MIRROR*15*GPH_1B04_006D.XML#GPH_1B04_006D.wav
REAL IMAGE*16*GPH_1B04_009D.XML#GPH_1B04_009D.wav
APPARENT IMAGE*17*GPH_1B04_011D.XML#GPH_1B04_011D.wav
ANGLE OF REFRACTION*18*GPH_1B05_003D.XML#GPH_1B05_003D.wav
TOTAL INTERNAL REFLECTION*19*GPH_1B05_007D.XML#GPH_1B05_007D.wav
REFRACTION COEFFICIENT*20*GPH_1B06_004D.XML#GPH_1B06_004D.wav
DISPERSION OF LIGHT*21*GPH_1B08_004D.XML#GPH_1B08_004D.wav
WHITE LIGHT*22*GPH_1B08_006D.XML#GPH_1B08_006D.wav
BASIC COLOUR*23*GPH_1B08_007D.XML#GPH_1B08_007D.wav
ČOČKA*24*GPH_1B09_003D.XML#GPH_1B09_003D.wav
SKUTEČNÉ OHNISKO*25*GPH_1B09_005D.XML#GPH_1B09_005D.wav
OHNISKOVÁ VZDÁLENOST*26*GPH_1B09_006D.XML#GPH_1B09_006D.wav
OPTICKÁ MOHUTNOST ČOČKY*27*GPH_1B09_009D.XML#GPH_1B09_009D.wav
MAGNIFYING OF A PICTURE*28*GPH_1B10_003D.XML#GPH_1B10_003D.wav
FRAME OF A REFERENCE*29*GPH_1C01_002D.XML#GPH_1C01_002D.wav
PATH*30*GPH_1C01_005D.XML#GPH_1C01_005D.wav
MOTION PATH*31*GPH_1C01_004D.XML#GPH_1C01_004D.wav
VECTOR VELOCITY*32*GPH_1C04_003D.XML#GPH_1C04_003D.wav
MOMENTARY VELOCITY*33*GPH_1C05_003D.XML#GPH_1C05_003D.wav
FORCE*34*GPH_1C07_002D.XML#GPH_1C07_002D.wav
ELASTIC STRAIN*35*GPH_1C07_008D.XML#GPH_1C07_008D.wav
NON-ELASTIC STRAIN*36*GPH_1C07_007D.XML#GPH_1C07_007D.wav
PRESSURE*37*GPH_1C10_010D.XML#GPH_1C10_010D.wav
STATIC FRICTION FORCE*38*GPH_1C11_002D.XML#GPH_1C11_002D.wav
SLIDING FRICTION FORCE*39*GPH_1C11_003D.XML#GPH_1C11_003D.wav
ROLING FRICTION FORCE*40*GPH_1C11_004D.XML#GPH_1C11_004D.wav
FRICTION COEFFICIENT*41*GPH_1C11_008D.XML#GPH_1C11_008D.wav
WORK*42*GPH_1D01_003D.XML#GPH_1D01_003D.wav
JULE*43*GPH_1D01_004D.XML#GPH_1D01_004D.wav
FORCE*44*GPH_1D02_002D.XML#GPH_1D02_002D.wav
WATT*45*GPH_1D02_003D.XML#GPH_1D02_003D.wav
ARM OF WEIGHTING FORCE*46*GPH_1D03_001D.XML#GPH_1D03_001D.wav
ARM OF ACTIVE FORCE*47*GPH_1D03_002D.XML#GPH_1D03_002D.wav
EFFICIENCY OF A MACHINE*48*GPH_1D09_002D.XML#GPH_1D09_002D.wav