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Who discovered Proton?
In 1886 Eugen Goldstein discovered canal rays (also called as anode rays) and showed that they were positively charged particles (ions) formed from gases. Menas,originally Goldstein postulated that there were some positively charged particles... but he didn't say that they were Protons!!
The process of apparent change in frequency (or wavelength) of the light because of relative motion among the source of light and the observer is known as Doppler's effect.
Moderation: In a nuclear reactor, the fast moving neutron has to be slowed down by the use of Boron rods before they are able to cause further fission. The process of slowing d
In an experiment of Quink tube source freequence 100 Hz is used to find 2nd maxima to 4th manima movalbe part of tube displaced by 1cm then calculate speed of sound in air
If the temperature in a room is 84 degrees at the floor what will it be at a 30 foot ceiling
Explain the Resonance of Sound in Strings Strings on musical instruments, like harps, are held still at both ends, that is why the standing waves have nodes at every end of the
if you drop a ball from a tall building, after 4.2 seconds what is its speed in m/s?
If you "bow" a string on a violin you hear a note with a frequency of 1020 Hz. If the length of the string is about 40cm, what is the "wave" on the string? Draw a diagram to show
Q. Give any three applications of the superconductors. i) High efficiency ore-separating machines may be built using superconducting magnets which can be used to separate tumou
difference between like and unlike forces
What do you mean by normal shift? Derive the mathematical expression for normal shift produced when an object in a denser medium is viewed normally through air.
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