Punjab 12th Class Physics Chapter 6 Physics of Solids Mcqs Test Online

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Question 1 of 6

Physics

1. Curie temperature is a point where:

1.Par magnetism changes to diamagnetism

2.Ferromagnetism changes to paramagnetism

3.Diamagnetism changes to paramagnetic

4.Paramagnetism changes to ferromagnetism

Question 1 of 6

Question 2 of 6

2. A cable breaks if stretched by more than 2mm. it is cut into two equal parts. How much either part can be stretched without breaking?

1.0.5 m

2.25 m

3.1 mm

4.2 mm

Question 2 of 6

Question 3 of 6

3. Which one is ferromagnetic in nature?

1.None of these

2.Nickle

3.Soft iron

4.Copper

Question 3 of 6

Question 4 of 6

4. A wire is stretched to double of its length. Its strain is:

1.0

2.2

3.0.5

4.1

Question 4 of 6

Question 5 of 6

5. Which of the modulus of elasticity is involved in compressing a rod of decrease its length?

1.None of these

2.Modulus of elasticity

3.Bulk modulus

4.Young’s modulus

Question 5 of 6

Question 6 of 6

6. If both the length and radius of the rod are doubled, then the modulus of elasticity will:

1.Remain the same

2.Decrease

3.Doubled

4.Increase

Question 6 of 6

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