What is an Electroscope
what is and electroscope? how to make an electroscope?
Science
Drip irrigation system model
Ingredients required: 1. Rectangular bucket or container 2. Garden soil 3. Two IV Cannulae 4. A plastic jar 5. A nail 6. Adhesive 7. Transparent tape. 8. Drawing pin By Khushant Kumar Gola and Prashant Kumar Sinha
The acronym of DNA stands for Deoxyribonucleic acids
The acronym of DNA stands for Deoxyribonucleic acids The acronym of DNA stands for Deoxyribonucleic acids. I think everyone heard of DNA at least once in their lifetime. The acronym of DNA stands for Deoxyribonucleic acids. The majority of DNA mainly situated inside the cell nucleus. The size of one eukaryotic cell is an order …
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A Black Hole of Gargantuan Proportion at the Centre of Galaxies
A Black Hole of Gargantuan Proportion at the Centre of Galaxies A Black Hole of Gargantuan Proportion at the Centre of Galaxies from this distant vantage point, the galaxy looks like a calm, giant disc of rotating gas. But if you look closely at the picture, the central region looks extremely bright as compared to …
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A very important light source in daily life is LED(Light emitting diode)
A very important light source in daily life is LED(Light emitting diode). A light emitting diode is an important light source in daily life. We can easily be seen it in television remote control. It used in optical communication. Modern time LED’s producing visible light are used in a numerical display like watches at the …
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Life-cycle of stars
Life-cycle of stars The most remarkable discovery in all of astronomy is that the stars are made of atoms of the same kind as those on the earth. Richard P. Feynman (1918-1988) We have all wondered about the mysterious twinkling stars in the night sky at some point in our life. Although, this curiosity about …
Evolution of Quantum Physics The nature of light (radiation)
Evolution of Quantum Physics The nature of light (radiation) Evolution of Quantum Physics The nature of light (radiation) has been a matter of long debate and a great confusion in the history of Physics. Rene Descartes, the father of the Cartesian geometry, first gave the corpuscular (particle) nature of light and the great Newton …
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Newtons ke niyam or गति का अर्थ
Newtons ke niyam or गति का अर्थ Newtons ke niyam or गति का अर्थ means newtons law of motion. First question is what is motion at all. Motion simply means the change in the position of the object with respect to surrounding. There are three laws of motion given by newton. गति का क्या अर्थ …
Human Eye and Colourful world Quiz
Class- X Chapter name – Human Eye and Colourful world Topic name – Human Eye and Defects of Vision Subjective Questions: 07 Total Marks: 15 Question 1: In an eye, where is image formed? [1 Mark] Ans. In an eye, image is formed on the retina. Question 2: What is the cause …
Light pollution
Light plays an important role in our life. It is one of the sources of our energy. Light gives us safety in the night and most of the crimes take place in the absence of light. Therefore we expect our surroundings, streets and overlooked corners must be lightened with street lights. With rapid economic development …