Class-9 Physics CBSE

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    Hkjkd

    @kd`f|r He|p

    @aepp J] Ikr`f edb Aes ki Hkjkd

    Creyjejkd

    Iavjb

    Skrn! Fdfrcz ) \ksfr

    \mzpj`p

    Seyf Hkjkd edb Pkvdb

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    Hkjkd

    Smfd kogf` `medcfp j|kpjjkd sjm rfp|f` k jhf

    Bjped`f

    P`eaer 7 bf|fdb kdaz kd hecdjvbf

    P`eaer uvedjz > P$J$ vdj hfrf

    \mzpj`ea Uvedjjfp

    _fp

    Smfd kogf` `medcfp j|kpjjkd sjm rfp|f k jhf

    Yf`kr 7 Bf|fdb kd hecdjvbf edb bjrf`jkdp

    Bjp|ae`fhfd Yf`kr uvedjz > P$J$ vdj hfrf

    P|ffb P`eaer uvedjz > P$J$ vdj hfrf |fr pf`kdb

    Eyfrecf p|ffb vdjikrh p|ffb Dkd(vdjikrh p|ffb Jdpededfkvp p|ffb

    Yfak`jz Yf`kr uvedjz > P$J$ vdj hfrf |fr pf`kdb

    Eyfrecf Yfak`jz vdjikrh Yfak`jz Dkd(vdjikrh Yfak`jz Jdped fkvped Yfak`jz

    E``fafrejkd Yf`kr uvedjz > P$J$ vdj hfrf |fr pf`kdb puverf

    \kpjjyfE``fafrejkd

    DfcejyfE``fafrejkd

    e8yv

    Fuvejkdp ki hkjkd

    y 8 v . e p 8 v . 5+?e?

    y v 8 ?ep? ?

    OE

    K

    E O

    |em(5

    |em(?

    EZ

    ]K Rjhf

    E

    Z

    ]K Rjhf

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    Ikr`f

    Fiif` ki ikr`f

    Ikr`f jp e||ajfb k `medcf mf pme|f ki ed kogf`

    Ikr`f jp e||ajfb k hkyf ed kogf` irkh mf |kpjjkd ki rfp

    Ikr`f jp e||ajfb k `medcf mf p|ffb ki hkjkd

    Rk `medcf mf bjrf`jkd ki hkjkd

    Vdjp ki ikr`f

    @CP7(c`hp(?

    PJ7(nchp kr dfskd(?

    IkrhvaeI8heSmfrf h8 heppe8e``fafrejkd

    Ikr`f jp |vpm kr |vaa e`jdc kd ed kogf`

    Dfskd#p aesp ki hkjkd

    Aes ki Jdfrje

    _ef ki `medcf ki hkhfdvh jp ikr`f

    Fyfrz e`jkdmep fuvea edb k||kpjf rfe`jkd

    Jdfrje ki rfp

    Jdfrje ki hkjkd

    Jdfrje ki bjrf`jkd

    Hkhfdvh 7 jp |rkbv` ki hepp edb yfak`jzHkhfdvh

    Vdjp ki hkhfdvh

    @CP7(c`hp(5

    PJ7(nchp(5

    Jh|vapf 7 Jh|vapf jp |rkbv` ki jhf edb ikr`f

    Vdjp ki Jh|vapf nc hfrf |fr pf`kdb

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    Rfrhjdkakcjfp rfaefb k pkvdb

    \rk|ecejkd ki pkvdb 7Pkvdb redphjfb jdmf ikrh kihf`medj`eaSeyfp$Rmvp pkvdbdffbp ehfbjvh kreyfa

    Rfrhjdkakcjfp J jp mf bjped`f ofsffd sk `kdpf`vjyf`kh|rfppjkdp kr rerfire`jkdp$

    Eh|ajvbf -e*Rmf he}jhvh bjp|ae`fhfd kiyjorejdc okbz jp ndksd ep eh|ajvbf

    Irfuvfd`z -v*Rmf dvhofr ki kp`jaaejkdp |rkbv`fb|fr pf`kdb$J jp hfepvrfb jd mfrw -Mw*$Rmf p|ffb ki pkvdb seyf jp cjyfd ozp|ffb 8irfuvfd`z seyfafdcrm$

    Akvbdfpp kr Pkidfpp

    \j`m

    Rjhofr kr Uveajz

    _fiaf`jkd ki pkvdb

    F`mk

    Pkder

    Seyf afdcm- *a

    Rjhf |frjkb

    Rjhf enfd k `kh|aff

    kdf yjorejkd

    Seyf yfak`jz7Bjped`f reyfaafb jdkdf yjorejkd

    Okkh ki pfe

    _f`fjyfrRredphjfr

    pkvdb seyfpf`mk

    kope`af

    `ae|

    @ _ @ @_ _ @

    pkvdb Pkvdb jp e ikrh ki fdfrcz smj`m jp |rkbv`fb oz e yjorejdc okbz$ J reyfap jd mf ikh ki seyfp

    Seyf Hkjkd

    Hf`medj`ea seyfp Dkd hf`medj`easeyfp Rredpfyfrpf seyfpAkdcjvbjdea seyfp

    bjrf`jkd ki seyf|rk|ecejkd

    bjrf`jkd ki |erj`afpyjorejkd

    Rredpfyfrpf seyfp

    @8rfcjkd ki he}$ bfdpjz_8rfcjkd ki hjd$ bfdpjz

    _edcf ki Mferjdc 7 ?