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12th Class Physics
Short Questions Preparation
Start Chapter 17 Preparation
12th Class Physics Chapter Wise Preparation
Online Short Questions For Chapter 6 "ICS Part 2 Physics Chapter 17 Short Questions Preparation "
Try The Short Questions For ICS Part 2 Physics Chapter 17 Short Questions Preparation
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Total Questions10
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Available Sets4
Physics - ICS Part 2 Physics Chapter 17 Short Questions Preparation
Question # 1
Define coercivity of a material.
- Ans 1: To demagnetize the material the magnetizing current is reserved and increased to reduce the magnetization to zero.This is known as coercive current,And this process is called coercivity.
ICS Part 2 Physics Chapter 17 Short Questions Preparation - Set 1
Question # 1
Define coercivity of a material.
- Ans 1: To demagnetize the material the magnetizing current is reserved and increased to reduce the magnetization to zero.This is known as coercive current,And this process is called coercivity.
ICS Part 2 Physics Chapter 17 Short Questions Preparation - Set 2
Question # 1
Distinguished between elasticity and plasticity.
- Ans 1: Elasticity: In deformed crystalline solid,the atoms return to their equilibrium position after the removal of external force.This ability of the body to return to its original shape is called elasticity.
- Ans 2: Plasticity:If the stress is increased beyond elastic limit,the specimen becomes permanently deformed.This is called plasticity.
ICS Part 2 Physics Chapter 17 Short Questions Preparation - Set 3
Question # 1
What is meant by para and ferromagnetic substance?
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Ans 1: The orbits and the spin axes of the electrons in an atom are so oriented that their field spot each other and the atom behaves like a tiny magnet.Substance with such atoms are called paramagnetic substance e.g iron.There are some solid substance in which the atom cooperate with each other in such a way so as to exhibit a strong magnetic field there are called ferromagnetic substance.
ICS Part 2 Physics Chapter 17 Short Questions Preparation - Set 4
Question # 1
Define polymerization,write two examples of polymeric solid
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Ans 1: Polymers are found by polymerization reaction,.In these reaction relatively simple molecule are chemically combined into massive long chain molecule or three dimensional structure.Polythene and nylon are example of polymeric solids.
