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Physics Practice Paper (Class 9) jawab ke sath

Rehnuma ka apna model paper · Javeria Maqsood · Ye official board past paper nahi hai

Pehle khud sawal hal karein, phir "Jawab dekhein" dabayein. Agar koi jawab samajh na aaye to Rehnuma se poochein.

Hissa 1: MCQs (10)

Q1. Force ki SI unit kya hai?

  1. Joule
  2. Newton
  3. Watt
  4. Pascal
Jawab dekhein

B) Newton

Q2. Inmein se kaun si vector quantity hai?

  1. Mass
  2. Time
  3. Displacement
  4. Speed
Jawab dekhein

C) Displacement

Q3. Zameen ke qareeb gravity ki wajah se acceleration taqriban kitni hoti hai?

  1. 9.8 m/s²
  2. 98 m/s²
  3. 0.98 m/s²
  4. 1.8 m/s²
Jawab dekhein

A) 9.8 m/s²

Q4. Velocity-time graph ki dhalan (slope) kya batati hai?

  1. Distance
  2. Displacement
  3. Acceleration
  4. Force
Jawab dekhein

C) Acceleration

Q5. Ek car 20 m/s ki ek jaisi raftaar se 5 s chalti hai. Faasla kitna hoga?

  1. 4 m
  2. 25 m
  3. 100 m
  4. 15 m
Jawab dekhein

C) 100 m

Q6. 2 kg ka jism 3 m/s se chal raha hai. Is ka momentum kitna hai?

  1. 1.5 kg m/s
  2. 5 kg m/s
  3. 6 kg m/s
  4. 9 kg m/s
Jawab dekhein

C) 6 kg m/s

Q7. Rocket ka oopar uthna Newton ke kis law se samjha jata hai?

  1. Pehla law
  2. Doosra law
  3. Teesra law
  4. Gravitation ka law
Jawab dekhein

C) Teesra law

Q8. 10 N ki force jism ko force ki simt mein 3 m hilaye to kiya gaya kaam kitna hai?

  1. 3.3 J
  2. 13 J
  3. 30 J
  4. 7 J
Jawab dekhein

C) 30 J

Q9. 2 kg ka jism 4 m/s se chal raha hai. Is ki kinetic energy kitni hai?

  1. 8 J
  2. 16 J
  3. 32 J
  4. 4 J
Jawab dekhein

B) 16 J

Q10. Taar ki moti (thickness) naapne ke liye sab se munasib aala kaun sa hai?

  1. Meter rule
  2. Vernier caliper
  3. Screw gauge
  4. Measuring tape
Jawab dekhein

C) Screw gauge

Hissa 2: Mukhtasar sawal (3)

Sawal 1. Inertia kya hai?

Namoona jawab dekhein

Kisi jism ka apni halat (aaram ya ek jaisi raftaar ki harkat) mein tabdeeli ka muqabla karna inertia kehlata hai. Mass jitna zyada, inertia utna zyada.

Sawal 2. Speed aur velocity mein farq likhein.

Namoona jawab dekhein

Speed sirf miqdar (scalar) hai jabke velocity miqdar ke sath simt (direction) bhi rakhti hai, is liye ye vector hai.

Sawal 3. Newton ka doosra law likhein aur formula batayein.

Namoona jawab dekhein

Jism par lagne wali net force us ke mass aur acceleration ke zarb ke barabar hoti hai. Formula: F = ma.

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