when light get diverge to normal in medium rarer to denser.then in conxex lens why all rays are meet at one point and it name is focus
Basically in physics a magnet electrically charged posses a energy form called electromagnetic energy. This one posses a hole and a particle when made. Obviously particle will go in the hole and this is why electricity is defined as flow of electrons. Electromagnet is a temporally charged one used in MRI's, robots, etc.
a piece of soft iron is taken, and then a insulated copper wire is spun around the piece of soft iron about 100 times. now a battery is connected to the copper wire.the copper wire works with the help of a dry cell(DC).
A cell having a proper nuclear membrane and a well defined and clearly visible nucleus is called an eukaryotic cell.
An eukaryotic cell is a cell which is properly developed and well developed nucleus.It has a membrane around it called the nuclear membrane which separates it from the cytoplasm of the cell.The DNA is present in the nucleus.In case of prokaryotic cell there is scattered nuclear region called nucleoid region lacking a nuclear membrane.
North-North or South-South directions repel but why the magnets attract towards the earth's North Pole?
1) In a large forest with many kind of animal,there is only small number of bear. which of these most likely limits the population of bear in the forest? a] supply of food b] type of tree c] predation of carnivores d] amount of suitable shelter Give Answer
metamormorphosis means change. So metamorphic rocks and formed through igneous and sedimentary rocks. With time,heat and pressure the igneous and sedimentary rocks form into metamorphic rocks.