Electricity and Magnetism questions | Grade VIII

Electricity and Magnetism questions | Grade VIII

Electricity and Magnetism questions | Grade VIII Define magnet . Define magnetism . Write the properties of magnet . What do you mean by magnetic substances ? Define non-magnetic substances . Define molecular magnet . State molecular theory of magnetism . What is magnetization ? Write the method of magnetization . Define demagnetization . Write the ways of demagnetization . Define electricity . Write the types of electricity . Define static electricity . What is meant by current electricity ? Define sources of electricity . Write the sources of electricity . Define cell . What do you mean by simple and dry cell ? Draw a well labeled diagram of simple cell . Write the construction of simple cell. Write the defects of cell . Define polarization . How is polarization…

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Heat Important questions | Grade VIII

Heat Important questions | Grade VIII

Important questions for Heat | Grade VIII Define heat .  What is its unit? Define one calorie heat . What is temperature . Write its SI unit . Define thermometer and calorie meter . Define thermometric liquid . On what principle is thermometer based ? Define calibration of the thermometer . Define Lower and Upper…

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Pressure Important questions | Grade VIII

Pressure Important questions | Grade VIII

Important questions for Pressure | Grade VIII Define Pressure . Write its unit and formula . Define 1 pascal pressure . Write the relationship between pressure with force and pressure with area .  What is liquid pressure ? On what factor does liquid pressure depends ? Write the relationship between density of liquid , height…

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