Frank ICSE Solutions for Class 9 Physics - Electricity and Magnetism PAGE NO: 323 Solution 1: Positive and negative are the two kind of charges. Solution 2: Net charge on an atom is zero. Solution 3: 10 is the number of electrons present in Na+. Solution 4: An atom does not have any net charge while ion is either a positive charge or a negative … [Read more...] about Frank ICSE Solutions for Class 9 Physics – Electricity and Magnetism
Physics
Frank ICSE Solutions for Class 9 Physics – Electricity and Magnetism: Magnestism
Frank ICSE Solutions for Class 9 Physics - Electricity and Magnetism: Magnestism PAGE NO: 320 Solution 1: Natural magnet is the deposits of the iron ore which has the attracting property of iron The properties of natural magnet are : The magnet has the directive property, when it is suspended freely , it always come in north-south direction. A magnet attracts … [Read more...] about Frank ICSE Solutions for Class 9 Physics – Electricity and Magnetism: Magnestism
Frank ICSE Solutions for Class 9 Physics – Electricity and Magnetism: Current Electricity
Frank ICSE Solutions for Class 9 Physics - Electricity and Magnetism: Current Electricity PAGE NO: 312 Solution 1: The flow of electrons in a particular direction in a conductor is called an electric current. Solution 2: An electric cell is the source of electric current in which chemical energy changes to electrical energy. Solution 3: The charge on an electron is … [Read more...] about Frank ICSE Solutions for Class 9 Physics – Electricity and Magnetism: Current Electricity
Frank ICSE Solutions for Class 9 Physics – Electricity and Magnetism: Static Electricity
Frank ICSE Solutions for Class 9 Physics - Electricity and Magnetism: Static Electricity PAGE NO: 300 Solution 1: Electrostatics is defined as the study of charges at rest. Solution 2: Frictional electricity is also known as static electricity. Solution 3: Thales of Miletus was the scientist who observed the electric properties of amber. Solution 4: There are two … [Read more...] about Frank ICSE Solutions for Class 9 Physics – Electricity and Magnetism: Static Electricity
Frank ICSE Solutions for Class 9 Physics – Sound
Frank ICSE Solutions for Class 9 Physics - Sound PAGE NO: 286 Solution 1: Yes, we can hear in the dark room. Solution 2: Sound is produced by the vibrating objects. Solution 3: Yes, sound is a form of energy. Solution 4: No, sound cannot travel through vacuum. It needs a material medium to travel. Solution 5: Yes, sound requires a material medium for … [Read more...] about Frank ICSE Solutions for Class 9 Physics – Sound