History of Earth | SEE Astronomy Notes

history-of-earth

History of Earth | SEE Astronomy Notes Hypothesis about the origin of the earth: a) Planetesimal Hypothesis. b) Nebular Hypothesis. c) Tidal Hypothesis, etc. Planetesimal Hypothesis: This hypothesis was purposed by George Buffon in 1749 A.D. So it is called Buffon Hypothesis. According to him the earth along with other planets and satellites were formed … Read more

Electricity and Magnetism | SEE Physics Notes

Electricity and Magnetism | SEE Physics Notes Electricity: Definition: The flow of electrons through conductor is called Electricity. The electricity is the flow of charge per second. Q = 2t or, i = Q/t = charge/ time Father of Electricity: Michael Faraday Types of electricity: a) Ac (Alternating current) b) DC (Direct current), etc. AC … Read more

Human Nervous | SEE Biology Notes

human-nervous-system

Human Nervous | SEE Biology Notes Stimulus: The external substance which can change morphology and physiology of organism is called Stimulus. Examples:- a) Light b) Pressure/ Touch c) Heat d) Gravity e) Water f) Flow of wind g) Chemical, etc. Response: Definition: The change seems in the organism is called Response/ Reaction. Example: a) When we … Read more

Invertebrates Class 10 | SEE Biology Notes

invertebrate-notes

Invertebrates Class 10 | SEE Biology Notes Useful Insects/ Invertebrates:- Silkworm Honeybee, etc. Honeybee: It is a social insect because it has a division of labor. The queen workers and drones have distinct roles in honey-comb. Apiculture: The cultivation of honey bees. Sericulture: The cultivation of silkworm. Life cycle: Completed in four stages:-  Puparium: The outer coat of … Read more

Light Class 10 | SEE Physics Notes

light-notes

Light Class 10 | SEE Notes Light: Definition: The light is the form of energy which produces the sensation of vision to our eyes. The light is invisible itself but it makes object visible. Its electromagnetic wave of velocity is 3×108m/s in vacuum or air. The study of light is optics. Lens: Definition: The lens is the … Read more