Celestial Body the sun, the moon, the stars and the planets in our solar system all are called celestial objects Astronomy Astronomy is the study of the celestial objects and the phenomena associated with them. It is said to be one of the oldest Sciences in the world. It is associated with the study ofContinue reading “Revision Notes on Stars and the Solar System”
Category Archives: Class 8th
Chapter Sound
Sound :- sound is a form of Energy that is produced by producing vibrations of an object. 1.Sound Cannot Move through Vacuum 2. Sound Waves are Longitudinal Waves Introduction to Sound Introduction to waves The sound is produced by vibrating objects.They travel from one place to another in the form of waves. Hence, the nameContinue reading “Chapter Sound”
Class 8th Mathematics
Chapter :1 Rational Number Rational Number:- A Number That can be Represented As P/Q form where Q≠ 0 Example= 1/2, 3/4 , 0, 2, -1/3 Rational Number contains Whole Number, Natural Number, Integers π is an Irrational Number Irrational Number Any real number that cannot be expressed as the P/Q form Example :- π ,Continue reading “Class 8th Mathematics”
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