Exam No. 02 (Fall 2013) PHYS 320: Electricity and Magnetism I
... where r is the distance from the center of sphere, and θ(x) = 1, if x > 0, and 0 otherwise. (a) Integrating the charge density over all space gives you the total charge Q. Thus, determine the constant b in terms of Q and R. (b) Using Gauss’s law find the electric field inside and outside the sphere. ...
... where r is the distance from the center of sphere, and θ(x) = 1, if x > 0, and 0 otherwise. (a) Integrating the charge density over all space gives you the total charge Q. Thus, determine the constant b in terms of Q and R. (b) Using Gauss’s law find the electric field inside and outside the sphere. ...
Questions having one mark each: Write the S.I unit of i. electric field
... b. How does the coulomb force between two point charges depend upon the dielectric constant of the intervening medium? c. Draw an equipotential surface for a system, consisting of two charges Q, -Q separated by a distance ‘r’ apart. d. Show graphically the variation of charge ‘q’ with time’t’ when a ...
... b. How does the coulomb force between two point charges depend upon the dielectric constant of the intervening medium? c. Draw an equipotential surface for a system, consisting of two charges Q, -Q separated by a distance ‘r’ apart. d. Show graphically the variation of charge ‘q’ with time’t’ when a ...
DESI - plaza
... Advantages of DESI Ambient condition Large range of molecules from small to proteins Sample can be moved in space during analysis (Imaging) No need for Matrix unlike MALDI Multiple charge ions is an advantage to extend mass range (proteins) Variable distance and angel allows different energy ...
... Advantages of DESI Ambient condition Large range of molecules from small to proteins Sample can be moved in space during analysis (Imaging) No need for Matrix unlike MALDI Multiple charge ions is an advantage to extend mass range (proteins) Variable distance and angel allows different energy ...
Electric dipoles
... Properties of field lines: -Imaginary curve such that tangent at any point is along the E-field in this point -density of field lines in a given region allows to picture the magnitude of the E-field At any particular point in space the E-field has a well defined direction Only one field line can pas ...
... Properties of field lines: -Imaginary curve such that tangent at any point is along the E-field in this point -density of field lines in a given region allows to picture the magnitude of the E-field At any particular point in space the E-field has a well defined direction Only one field line can pas ...
Question Paper - Entrance Test Geophysics 2014-15
... (a) lights of different wavelengths travel with different speeds in the medium (b) lights of different frequencies travel with different speeds in the medium (c) the refractive index of the medium is different for different wavelength of light (d) all of the above 39. Two coherent sources of intensi ...
... (a) lights of different wavelengths travel with different speeds in the medium (b) lights of different frequencies travel with different speeds in the medium (c) the refractive index of the medium is different for different wavelength of light (d) all of the above 39. Two coherent sources of intensi ...
Scoring Docked Protein Complexes with Hydrogen Bonds
... from the six degrees of freedom in our transformations. This theory is especially useful in the case of bound docking in which the ligand and receptor proteins are actually pulled apart from a complex of which the structure is already known. This allows us to know that the proteins are already in t ...
... from the six degrees of freedom in our transformations. This theory is especially useful in the case of bound docking in which the ligand and receptor proteins are actually pulled apart from a complex of which the structure is already known. This allows us to know that the proteins are already in t ...
protein
... _____________________________ _____________________________ _____________________________ _____________________________ It also contains small amounts of: _____________________________ _____________________________ What is the chemical composition of protein? F&N-Protein-Year 9 ...
... _____________________________ _____________________________ _____________________________ _____________________________ It also contains small amounts of: _____________________________ _____________________________ What is the chemical composition of protein? F&N-Protein-Year 9 ...
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Proteins and Amino Acids 14
... Place an A at the central carbon, a B at the hydrogen on its off side, a C at the carboxyl group, a D at the amino group. What is the large “body” w/its many boxed atoms, representing? ...
... Place an A at the central carbon, a B at the hydrogen on its off side, a C at the carboxyl group, a D at the amino group. What is the large “body” w/its many boxed atoms, representing? ...
Popular Scientific Summary: Disorder and Environmental Chaos
... Some of the most important scientific research is based on understanding, manipulating and improving of proteins. The human body is composed of 62 % water, 16 % proteins and 22% fats, carbohydrates, metals etc... Therefore it is very important to understand what proteins look like, what they are doi ...
... Some of the most important scientific research is based on understanding, manipulating and improving of proteins. The human body is composed of 62 % water, 16 % proteins and 22% fats, carbohydrates, metals etc... Therefore it is very important to understand what proteins look like, what they are doi ...
Sep Tec Lecture Notes E
... If a number of gels are run in parallel with one power supply, then: 1/R= 1/r1 +1/r2+…. 1/rn where R is the total resistance and r1,r2, etc. are the resistances of each gel. The total current supplied must be increased in proportion to the number of gels used, assuming that they all have the same re ...
... If a number of gels are run in parallel with one power supply, then: 1/R= 1/r1 +1/r2+…. 1/rn where R is the total resistance and r1,r2, etc. are the resistances of each gel. The total current supplied must be increased in proportion to the number of gels used, assuming that they all have the same re ...
Use only these to make sequential assignments
... Assignment Strategy 1. Identify resonances for each amino acid 2. Put amino acids in order ...
... Assignment Strategy 1. Identify resonances for each amino acid 2. Put amino acids in order ...
E0160: The calculation of Z(T ) for AB and AA...
... r0 , and vibration frequency ω0 . The total angular momentum is ` = 0, 1, 2, .... The masses of the atoms are mA and mB , and they have spins SA and SB . (a) Explian what are the conditions that allow to ignore all the excited vibrational levels, so you can treat the molecule as a rigid body (”rotor ...
... r0 , and vibration frequency ω0 . The total angular momentum is ` = 0, 1, 2, .... The masses of the atoms are mA and mB , and they have spins SA and SB . (a) Explian what are the conditions that allow to ignore all the excited vibrational levels, so you can treat the molecule as a rigid body (”rotor ...
Practice Final Exam
... 5. In x-ray machines, electrons are subjected to electric fields as great as 6.0 105 N/C. Find an electron’s acceleration in this field. (me = 9.11 1031 kg, e = 1.6 1019 C) a. 1.1 1017 m/s2 b. 5.4 1013 m/s2 c. 4.6 1010 m/s2 d. 3.6 108 m/s2 ...
... 5. In x-ray machines, electrons are subjected to electric fields as great as 6.0 105 N/C. Find an electron’s acceleration in this field. (me = 9.11 1031 kg, e = 1.6 1019 C) a. 1.1 1017 m/s2 b. 5.4 1013 m/s2 c. 4.6 1010 m/s2 d. 3.6 108 m/s2 ...
7.8 Amino Acids and proteins. Alpha amino acids (often just referred
... The reaction pathway for amide formation is very similar to that of ester formation, with the amine substituting for the alcohol in the reaction pathway. Try the following problems showing the reaction pathway at both low temperature and high temperature: ...
... The reaction pathway for amide formation is very similar to that of ester formation, with the amine substituting for the alcohol in the reaction pathway. Try the following problems showing the reaction pathway at both low temperature and high temperature: ...
Circular dichroism
Circular dichroism (CD) is dichroism involving circularly polarized light, i.e., the differential absorption of left- and right-handed light. Left-hand circular (LHC) and right-hand circular (RHC) polarized light represent two possible spin angular momentum states for a photon, and so circular dichroism is also referred to as dichroism for spin angular momentum. This phenomenon was discovered by Jean-Baptiste Biot, Augustin Fresnel, and Aimé Cotton in the first half of the 19th century. It is exhibited in the absorption bands of optically active chiral molecules. CD spectroscopy has a wide range of applications in many different fields. Most notably, UV CD is used to investigate the secondary structure of proteins. UV/Vis CD is used to investigate charge-transfer transitions. Near-infrared CD is used to investigate geometric and electronic structure by probing metal d→d transitions. Vibrational circular dichroism, which uses light from the infrared energy region, is used for structural studies of small organic molecules, and most recently proteins and DNA.