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Davisson-Germer experiment (C.J. Davisson, L.H. Germer; 1927)
An experiment which conclusively confirmed the wave nature of electrons; diffraction patterns were observed through an electron beam penetrating in a nickel target.
a pendulum is timed ,first for 20 swings and then for 50 swings ; time for 20 swings = 17.4 sec and time for 50 sec = 43.2. calculate the average time per swing/
objects of the experement
Sample of ethane gas (molar mass & 30.1 g/mol) occupies 1.2 x 10 -2 m3 at 46°C and 2.4 x 105 Pa. How many moles of ethane are present in the sample? What is the mass of the
How many types of illuminators are there? As there are no standards inside the industry, the term "type" is slightly confusing. Regading to power usage, the lamp illuminators c
How is Specific Gravity defined? Specific Gravity, SG, is a unit less quantity that provides the scientist or engineers an idea of how dense a substance is compared to water. T
Complementarity principle (N. Bohr) The principle which a given system cannot exhibit wave-like and particle-like both behaviors at the similar time. i.e., certain experiments
a person holds of hay over his head for 30 min and gets tired . has he done some wirk or not? justify your answer
Light propagates as transverse EM rays. The magnitude of electric field is much larger as compared to magnitude of magnetic field. We generally prefer to define light as electric f
Gold Leaf Electroscope: A gold leaf electroscope is a device that can be used for notice charge. By the use of this device we can also detect whether a body is positively or ne
Q. In Newton's ring experiment, the diameter of certain order of dark ring is measured to be double that of the second ring. What is the order of the ring? Data :
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