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V bob. ELEKTR HODISALARI HAQIDA DASTLABKI MA’LUMOTLAR
Kirish suhbati ............................................................................................................................ 118
43-mavzu. Jismlarning elektrlanishi ......................................................................................... 118
44-mavzu. Elektr toki haqida tushuncha. Tok manbalari ....................................................... 121
45-mavzu. Turmushda elektr tokining ahamiyati. Oddiy elektr zanjiri .................................. 124

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174
46-mavzu. Xonadondagi elektr asboblari. Elektr energiyasini tejash ...................................... 127
V bobni yakunlash uchun test savollari ................................................................................... 128
Yakuniy suhbat .......................................................................................................................... 130
VI bob. YORUG‘LIK HODISALARI HAQIDA 
DASTLABKI MA’LUMOTLAR
Kirish suhbati ............................................................................................................................ 132
47-mavzu. Yorug‘likning tabiiy va sun’iy manbalari ............................................................... 132
48-mavzu. Yorug‘likning to‘g‘ri chiziq bo‘ylab tarqalishi. Soya va yarim soya ..................... 134
49-mavzu. Quyosh va Oy tutilishi ........................................................................................... 135
50-mavzu. Yorug‘likning tezligi. Yorug‘likning qaytishi va sinishi ........................................ 138
51-mavzu. Yorug‘lik hodisalari haqida Beruniy va Ibn Sinoning fikrlari .............................. 140
52-mavzu. Yassi ko‘zgu ............................................................................................................. 142
53-mavzu. Linzalar haqida tushuncha ..................................................................................... 146
54-mavzu. Shisha prizmada yorug‘likning tarkibiy qismlarga ajralishi. Kamalak ................. 147
55-mavzu. Laboratoriya ishi. Yassi ko‘zgu yordamida yorug‘likning qaytishini o‘rganish .... 149
56-mavzu. Laboratoriya ishi. Shisha prizma yordamida yorug‘likning spektrga 
ajralishini o‘rganish ............................................................................................................ 150
VI bobni yakunlash bo‘yicha nazorat savollari ........................................................................ 152
Yakuniy suhbat .......................................................................................................................... 153