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    Physics 9th Subjective

    Uploaded by

    Umme Abdullah

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    © All Rights Reserved
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    Physics 9th Subjective

    Uploaded by

    Umme Abdullah
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    15 views1 page

    Physics 9th Subjective

    Uploaded by

    Umme Abdullah

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
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    Model Paper

    For English Medium Students Physics


    th
    9 (Fresh/Reappear)
    Note: Time allowed for Section – B and Section – C is 2 Hours and 45 minutes.
    Section – B Marks: 32
    Q-II Answer any EIGHT parts. Each part carries FOUR marks.
    1. Differentiate between base quantities and derived physical quantities.
    3
    2. How much water (in units of liter) can fill a water tank of 1m capacity?
    3. Speed is a scalar quantity while velocity is a vector. Explain.
    4. Differentiate between mass and weight.
    5. Kinetic friction is usually less than static friction. Why?
    6. Write a short note on couple. Give two examples.
    7. How will you determine the center of gravity of irregular shape body?
    8. Why it is not easy to whirl a hammer by a longer chain?
    9. Why the efficiency of an engine can not be 100%?
    10. Why plasma is called the fourth state of matter?
    11. How iron ring is fixed to a cart wheel?
    Section – C Marks: 21
    Note : Attempt any THREE questions. All questions carry equal marks.
    Q-III (a) Define motion. How translatory motion differs from vibratory and rotatory motion?
    (b) A body is thrown vertically upward with velocity of 200m / Sec. How high will it
    rise when g = 10 m/Sec?
    Q-IV (a) Derive Vf = Vi + at by graphical method.
    (b) A cricket ball of mass 800g has the momentum of 10 kgms-1 calculate
    the velocity of a ball.
    Q-V (a) Discuss the stability of a body.
    24
    (b) The mass of earth is 6 x 10 kg. Using universal law of gravitation, find the radius
    of earth.
    Q-VI (a) Explain the law of conservation of energy.
    (b) Calculate pressure at depth of 200m of water.
     ‫  ۔‬    
    45 2   ‫   و‬ ( ‫  )ج‬  ‫ )ب( اور‬ - :‫ٹ‬
    ۳۲  ‫ت‬  ‫  ء و‬  ‫ا  اردو‬ (‫ )ب‬
     ‫۔    ُ و    ر    ۔‬  ‫  ا ت‬    ‫( ا اء‬8) ‫ درج ذ      آ‬II- ‫ال‬
               ‫  ز‬      (1 m3)       ‫   ا‬ (۲) ‫۔‬   ‫  اروں    ق وا‬  ‫وںاور  ذ‬
      ‫دى  ار‬ (۱)
    ‫؟‬
     ‫ اور وزن      ق  ؟‬ ( ۴)    ‫ ا  و    اراس‬ ‫ و‬  ‫  ار  ۔‬   ‫ ا‬ (۳)
    ‫۔‬   ‫و‬
    ‫ د ۔‬  ‫ اور ان   دو‬  ‫  ٹ‬   ‫  ا‬Couple
      (۶) (Static   ‫ ر‬  ً  (Kinetic friction)  ‫ ر‬ (۵)
    ‫       ۔  ں؟‬friction)
     
    ‫؟‬  ‫ آ ن  ں‬    ‫  ڑے‬       ‫ا    ز‬ ( ۸)  ‫  ہ ا م          ح  م      ؟‬ (۷)
     ‫    ں      ؟‬    ‫ز     دے‬ (۱۰) ‫    ؟‬  ‫ ں‬100% ‫ا  ا     ر د‬ (۹)
     ‫    ؟‬  ‫        ح‬    ‫    ں‬ (۱۱)

    ۲۱  (‫ )ج‬
     ‫ ۔    ال      ا   ۔‬    ‫      ا ت    ا ت‬ - :‫ٹ‬
     ‫  ؟‬         ‫ اور  د‬ ‫ ار‬،    ‫۔    ح‬       ( ‫)ا‬ III- ‫ال‬
    ‫  ۔‬     10
          g  ‫  ا‬    ‫      ى‬     ‫   او‬ ‫ و‬     200      ‫ا   ا‬ (‫)ب‬
     ‫۔‬   ‫   ا‬   ‫( ا‬Vf
      = Vi + at)  ‫      وات‬ ( ‫)ا‬ IV-‫ال‬
    ‫      ؟‬ ‫     اس   و‬10kgms-1      ‫   ام   اور اس‬800
                ‫ا‬ (‫)ب‬
     ‫     اد  ؟‬Stability
            ‫ا‬ ( ‫)ا‬ V- ‫ال‬
     ‫۔‬  ‫م‬  ‫    ن  ذب ا ل     ز    رداس‬،  ‫ام‬   6x1024      ‫ا ز‬ (‫)ب‬
     ‫۔‬  ‫ً  ن‬   ‫ ا‬  ‫ن‬ ( ‫)ا‬ VI- ‫ال‬
     ‫۔‬  ‫م‬  ‫   اس   د ؤ‬،   200
        ‫ ا       ا‬ (‫)ب‬

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