Physics 12 Chapter 17 Important Questions

Learn Physics 12 Chapter 17 Important Questions. These important physics 12 mcqs, short and long questions are collected by going through different past papers of all Punjab Board Pakistan.

Why are these questions important?

These Questions are taken from past papers of Physics 12. These questions are top repeated of in previous papers of Physics 12 of all Punjab boards as;

      Bahawalpur Board

      D.G.Khan Board

      Faisalabad Board

      Gujranwala Board

      Lahore Board

      Multan Board

      Rawalpindi Board

Content is created and designed with intense care and diligence. Here is only the most important MCQ, short questions and long questions of Physics 12 chapter 17 Physics of Solids.

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You can easily download in pdf format or view Physics 12 mcqs, short questions and long questions  online. You can easily print these files in simple way. Here you find Physics 12 chapter 17 Physics of Solids important mcqs, short and long questions. By Preparing these important questions, you will achieve splendid marks in Physics 12. This content is very helpful for weak students and also helpful for those students that are better at Physics 12 exam preparation. These Questions are based on the current Physics  12 syllabus according to Punjab Textbook Board.

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About This Chapter

Physics 12 chapter 17 Physics of Solids enables the students to learn Classification of Solids. Students learn Mechanical Properties of Solids. Students learn Electrical Properties of Solids. Students learn about Superconductors. Students learns Magnetic Properties of Solids. This Post "Physics  12 Chapter 17 Important Questions" covers all important mcqs, short and long questions related to important  topics of this chapter.

👉Imp MCQs - Physics  12 CH # 17

1. Curie temperature for iron is :

(A) 750°C

(B) 480°C

(C) 350°C

(D) 100°C

(A) 750°C

2. The most suitable metal for making permanent magnets is:

(A) Steel

(B) Aluminum

(C) Iron

(D) Both A & B

(A) Steel

3.  The critical temperature of Aluminum is :   

(A) 4.18K

(B) 3.18K

(C) 2.18K

(D) 1.18K

(D) 1.18K

4. In n-type material, minority charge carriers are :
    

(A) Free electrons

(B) Holes

(C) Positrons

(D) None of these

(B) Holes

5. Good conductors have conductivities of the order of :

(A) 10^-7 (𝛀m)^-1

(B) 10-7 (𝛀m)

(C) 10^-3 (𝛀m)^-1

(D) 10^-9 (𝛀m)^-1

(A) 10^-7 (𝛀m)^-1

6. The SI unit of stress is same as that of  :

(A) Torque

(B) Momentum

(C) Force

(D) Work

(C) Force

7. The substances which break just after the elastic limit is reached:

(A) Brittle substances

(B) Soft materials

(C) Ductile materials

(D) None of these

(A) Brittle substances

8. A solid having regular arrangement of molecules through out its structure is called? 

(A) Polymeric solids

(B) Crystalline solids

(C) Amorphous solids

(D) Both A & B

(B) Crystalline solids

9. Which one of the following is Polymeric solid?

(A) Copper

(B) Glass

(C) Nylon

(D) All of above

(C) Nylon

10.  When Silicon or Germanium is dopped with penta-valent impurity, it becomes :

(A) P-type semiconductor

(B) N-type semiconductor

(C) Extrinsic semiconductor

(D) None of these

(B) N-type semiconductor

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👉Other Chapters (PDF) of Physics Class 12 Punjab Textbook Board

✅Chapter 12

Electrostatics

✅Chapter 13

Current Electricity

✅Chapter 14

Electromagnetism

✅Chapter 15

Electromagnetic Induction

✅Chapter 16

Alternating Current

✅Chapter 18

Electronics

✅Chapter 19

Dawn of Modern Physics

✅Chapter 20

Atomic Spectra

✅Chapter 21

Nuclear Physics