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(1) Standing pulse can be longitudinal / transverse.
(2) The disturbance confined to a particular part among the starting point and reflecting point of the ray.
(3) There is no forward speed of the disturbance from single molecule to the adjoining particle and so on, beyond this ceratin section.
(4) The total energy related with a stationary wave is twice the power of every of incident and reflected pulse. As in stationary pulse nodes are permanently at rest. So no power can be transmitted across then i.e. power of single part is confined in that section. Though this energy oscillates among kinetic energy and elastic potential energy of molecules of the medium.
population inversion The process in which the number of electrons (N 2 ) in a higher energy state called ‘metastable state of an active medium is increased to a value greate
A 65g ball with a diameter of 3.1cm begins at rest and rolls down an incline. The angular acceleration of the ball is a constant 0.55rad/s2. ( I ball=(2/5)mr2 ) Calculate the net t
Ammeters : Ammeters are used to measure current flow, as such they need to be inserted in series with the circuit under test so that the current to be measured flows through th
Is there a way that you can gain potential energy and release kentic energy in Volleyball?
Using cross belts cross the belt on the spool pulleys used in C 1 above and turn one of the pulleys. Note that they now turn in opposite directions.
Containers from used electric bulbs Used electric light bulbs can be made into containers that will substitute for flasks, beakers, test tubes and same devices. With reasonable
(i) It having of dissimilar bright lines. (ii) It is given by an excited source in atomic state. (iii)E.g. Spectrum of excited helium, mercury vapours sodium vapours or atomi
RUTHERFORD'S ATOMIC MODEL:- Rutherford proposed that all the positive charge and mass of the atom was concentrated in a small central region which is called the nucleus.This mo
Brackett series (Brackett) This is the series that describes the emission spectrum of hydrogen while the electron is jumping to the fourth orbital. All these lines are in the i
An electron follows a helical path in a uniform mag-netic field of magnitude 0.300 T. The pitch of the path is 6.00 um, and the magnitude of the magnetic force on the elec-tron is
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