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What is piezoelectricity
Piezoelectricity provides us a means of converting electrical energy to presume new geometric positions and mechanical dimensions of the substance are altered. This phenomenon is known as electrostriction. Reverse effect i.e. production of polarization by application of mechanical stresses can occur only if lattice has no center of symmetry, this phenomenon is termed as piezoelectricity. Illustrations- Rochelle salt, Quartz, Barium titante.
A solvated electron is a free electron in (solvated in) a solution, and is the least possible anion. Solvated electrons happen widely although they are often not practical directly
A cricket ball of 0.5 kg is moving with a velocity of 100 m/ sec . The wavelength associated with its motion is: (1) 1/ 100cm (2) 6.6 x10 -34 m
how many mole ratios can be obtained from the following equation? Na2S+Cd(NO3)2-2NaNo3+CdS
Advantage and disadvantage of westron
Calculate the ratio of d number of molecules in two energy levels at 27''c given E2=9.75x10"-13erg/mol E1=6.95X10"-13erg/mol g1=2 g2=3
what are valence electrons? and how do you write them?
give answer
Q. Explain the Heating curve for water? Ans. When a substance is heated, it undergoes several phase changes. A heating curve is a diagram which illustrates the phase chan
50ml of 0.1M NH 4 OH ,25ml NH 4 Cl weere used to make a buffer . what is the PH is if Pk b is 4.8? Solution) The given buffer is a base buffer [NH4OH] =[(50*0.1)/75] [NH4Cl] =[(
the most probable radius for finding the electron in he+
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