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least count of vernier caliper
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Answers:Basically, the parameter deciding how appropriate an instrument is before being used in a particular situation is its LEAST COUNT. The usual least count of a vernier calipers is usually 0.1mm, so when we are dealing with situations involving measurements not more minute than 0.1 mm we can safely avail of its use. The least count of a GENERAL vernier caliper can be easily determined in the following manner. A vernier caliper consists of a fixed main scale and a sliding vernier scale which, as the name suggests, slides on the main scale. The value of one division on a main scale is 1mm and on the vernier scale there are ten divisions which are equal to nine divisions of a main scale. So the value of each vernier scale mark is 0.9mm(9X1/10). The formula for calculation of the least count of a vernier scale is : Value of one M.S. division  value of one V.S. division, which comes out to be 0.1 mm, hence my statement earlier. Along with this V.C. is also used to measure the internal and external diameters of cylinders, bottles etc. There are instruments which are even more accurate than V.C. such as screw gauge which has a least count of 0.01mm.
Answers:Basically, the parameter deciding how appropriate an instrument is before being used in a particular situation is its LEAST COUNT. The usual least count of a vernier calipers is usually 0.1mm, so when we are dealing with situations involving measurements not more minute than 0.1 mm we can safely avail of its use. The least count of a GENERAL vernier caliper can be easily determined in the following manner. A vernier caliper consists of a fixed main scale and a sliding vernier scale which, as the name suggests, slides on the main scale. The value of one division on a main scale is 1mm and on the vernier scale there are ten divisions which are equal to nine divisions of a main scale. So the value of each vernier scale mark is 0.9mm(9X1/10). The formula for calculation of the least count of a vernier scale is : Value of one M.S. division  value of one V.S. division, which comes out to be 0.1 mm, hence my statement earlier. Along with this V.C. is also used to measure the internal and external diameters of cylinders, bottles etc. There are instruments which are even more accurate than V.C. such as screw gauge which has a least count of 0.01mm.
Question:ATHEMATICS
Algebra: Algebra of complex numbers, addition, multiplication, conjugation, polar representation, properties of modulus and principal argument, triangle inequality, cube roots of unity, geometric interpretations.
Quadratic equations with real coefficients, relations between roots and coefficients, formation of quadratic equations with given roots, symmetric functions of roots.
Arithmetic, geometric and harmonic progressions, arithmetic, geometric and harmonic means, sums of finite arithmetic and geometric progressions, infinite geometric series, sums of squares and cubes of the first n natural numbers.
Logarithms and their properties.
Permutations and combinations, Binomial theorem for a positive integral index, properties of binomial coefficients.
Matrices as a rectangular array of real numbers, equality of matrices, addition, multiplication by a scalar and product of matrices, transpose of a matrix, determinant of a square matrix of order up to three, inverse of a square matrix of order up to three, properties of these matrix operations, diagonal, symmetric and skewsymmetric matrices and their properties, solutions of simultaneous linear equations in two or three variables.
Addition and multiplication rules of probability, conditional probability, Bayes Theorem, independence of events, computation of probability of events using permutations and combinations.
Trigonometry: Trigonometric functions, their periodicity and graphs, addition and subtraction formulae, formulae involving multiple and submultiple angles, general solution of trigonometric equations.
Relations between sides and angles of a triangle, sine rule, cosine rule, halfangle formula and the area of a triangle, inverse trigonometric functions (principal value only).
Analytical geometry:
Two dimensions: Cartesian coordinates, distance between two points, section formulae, shift of origin.
Equation of a straight line in various forms, angle between two lines, distance of a point from a line; Lines through the point of intersection of two given lines, equation of the bisector of the angle between two lines, concurrency of lines; Centroid, orthocentre, incentre and circumcentre of a triangle.
Equation of a circle in various forms, equations of tangent, normal and chord.
Parametric equations of a circle, intersection of a circle with a straight line or a circle, equation of a circle through the points of intersection of two circles and those of a circle and a straight line.
Equations of a parabola, ellipse and hyperbola in standard form, their foci, directrices and eccentricity, parametric equations, equations of tangent and normal.
Locus Problems.
Three dimensions: Direction cosines and direction ratios, equation of a straight line in space, equation of a plane, distance of a point from a plane.
Differential calculus: Real valued functions of a real variable, into, onto and onetoone functions, sum, difference, product and quotient of two functions, composite functions, absolute value, polynomial, rational, trigonometric, exponential and logarithmic functions.
Limit and continuity of a function, limit and continuity of the sum, difference, product and quotient of two functions, L Hospital rule of evaluation of limits of functions.
Even and odd functions, inverse of a function, continuity of composite functions, intermediate value property of continuous functions.
Derivative of a function, derivative of the sum, difference, product and quotient of two functions, chain rule, derivatives of polynomial, rational, trigonometric, inverse trigonometric, exponential and logarithmic functions.
Derivatives of implicit functions, derivatives up to order two, geometrical interpretation of the derivative, tangents and normals, increasing and decreasing functions, maximum and minimum values of a function, Rolle s Theorem and Lagrange s Mean Value Theorem.
Integral calculus: Integration as the inverse process of differentiation, indefinite integrals of standard functions, definite integrals and their properties, Fundamental Theorem of Integral Calculus.
Integration by parts, integration by the methods of substitution and partial fractions, application of definite integrals to the determination of areas involving simple curves.
Formation of ordinary differential equations, solution of homogeneous differential equations, separation of variables method, linear first order differential equations.
Vectors: Addition of vectors, scalar multiplication, dot and cross products, scalar triple products and their geometrical interpretations
PHYSICS
General: Units and dimensions, dimensional analysis; least count, significant figures; Methods of measurement and error analysis for physical quantities pertaining to the following experiments: Experiments based on using Vernier calipers and screw gauge (micrometer), Determination of g using simple pendulum, Young s modulus
Answers:WOW that's so impressive, I don't think I would be able to handle it. Maybe if I was as smart as you....
Answers:WOW that's so impressive, I don't think I would be able to handle it. Maybe if I was as smart as you....
Question:All come under simple pendulum experiment
Value of 1 MSD = S what is a msd ??? What is s
Total number of VSD=N what is VSD and N
LC=S/N what is a LC
What is CVD
Answers:MSD :Main Scale Division S: Value of 1 main Scale Division VSD : Vernier Scale Division N: No. of divisons on Vernier scale LC: Least Count
Answers:MSD :Main Scale Division S: Value of 1 main Scale Division VSD : Vernier Scale Division N: No. of divisons on Vernier scale LC: Least Count