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Basic Terms Connected to Waves
Basic Terms Connected to Waves - The four important terms used in the study of waves are Wavelength, Amplitude, Frequency and Wave velocity. Wavelength ' l ' is the distance between two consecutive points on the wave which are in the same phase. (same phase means same state of v..
Basic Terms Connected to Waves - The four important terms used in the study of waves are Wavelength, Amplitude, Frequency and Wave velocity. Wavelength ' l ' is the distance between two consecutive points on the wave which are in the same phase. (same phase means same state of v..Basic Terms Connected to Waves
As wavelength is the distance covered during one oscillation and frequency is the number of oscillations per second, the product of the wavelength and frequency would give us the wave velocit..
Transportation in human beings
Introduction - Transportation whether in plants or animals is the key to the efficient assimilation of the nutrients that the organisms synthesise, get from their environment or diges..
Mutual Induction
The phenomenon of production of induced emf in one coil due to change of current in a neighbouring coil is called mutual induction. Let us perform an experiment to understand this. Place two coils P and S close to each other as shown here Connect a battery and a key to the primary ..
The phenomenon of production of induced emf in one coil due to change of current in a neighbouring coil is called mutual induction. Let us perform an experiment to understand this. Place two coils P and S close to each other as shown here Connect a battery and a key to the primary ..How does Mutual Induction Occur?
When the key K is pressed, current starts flowing through the coil P and this increases the magnetic flux linked with P. Since S is very close to P, the magnetic flux linked with S also increases. Thus induced emf, hence induced current is produced in S. The direction of induced current ..
When the key K is pressed, current starts flowing through the coil P and this increases the magnetic flux linked with P. Since S is very close to P, the magnetic flux linked with S also increases. Thus induced emf, hence induced current is produced in S. The direction of induced current ..Work and Energy Introduction
Introduction - For a layman the term 'work' implies any activity resulting in muscular or mental exertion. In physics, however, the term has a different meaning. It represents a physical quanti..
Electric Circuits and their Components
Electric Circuits and their Components - The devices which deliver electricity are called the 'sources'and lamps, electric engines, etc. which consume electricity are called 'loads'. Switches are used to switch the loads on and off whenever necessary. Hence, the source, the load, and the switch are..
Study the Following Examples:
Water stored in a reservoir is capable of rotating turbines kept at a lower level. Water stored in a reservoir possesses energy by virtue of its position. A nail hit hard with a hammer gets fixed while if the hammer is just placed on the nail, the nail hardly moves. The hammer, which is raised..
Water stored in a reservoir is capable of rotating turbines kept at a lower level. Water stored in a reservoir possesses energy by virtue of its position. A nail hit hard with a hammer gets fixed while if the hammer is just placed on the nail, the nail hardly moves. The hammer, which is raised..Introduction
Transportation whether in plants or animals is the key to the efficient assimilation of the nutrients that the organisms synthesise, get from their environment or digest. The study of these processes helps us in many ways. The study of transport mechanisms in plants helps us to understan..
Sources of Energy
The term 'energy' used here has thus a slightly different meaning. The term 'energy' actually means 'the useful energy' or 'the energy that we can use'; for cooking, operating machines, to run vehicles and so on. And we get this useful energy only from specific sources, wh..
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