Errors and Approximations MCQ

Test your knowledge with important Errors and Approximations MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Errors and Approximations MCQs at Bissoy

• Find approximate value of e10.19.09, given e90 = 1.22 * 1039.
  ক

  2.41 * 1039

  খ

  2.42 * 1039

  গ

  2.43 * 1039

  ঘ

  2.44 * 1039
• Find the approximate value of (1⁄2).
  ক

  (1⁄2). ] 1.96

  খ

  0.982+2.012+1.942

  গ

  0.982+2.012+1.942

  ঘ

  0.982+2.012+1.942
• Find the approximate value of (1.04)3.01.
  ক

  1.14

  খ

  1.13

  গ

  1.11

  ঘ

  1.12
• At a distance of 120ft from the foot of a tower the elevation of its top is 60o. If the possible error in measuring the distance and elevation are 1 inch and 1 minute, find approximate error in calculated height.
  ক

  0.342

  খ

  0.284

  গ

  0.154

  ঘ

  0.986
• The approximate value of function f(x + δx, y + δy) is?
  ক

  f + ∂f⁄∂x dx + ∂f⁄∂y dy

  খ

  ∂f⁄∂x dx + ∂f⁄∂y dy

  গ

  f – ∂f⁄∂x dx + ∂f⁄∂y dy

  ঘ

  ∂f⁄∂x dx – ∂f⁄∂y dy
• If n resistors of unequal resistances are connected in parallel,and the percenrage error in all resistors are k then,total error in parallel combination is?
  ক

  \(x \frac{∂z}{∂x}+y \frac{∂z}{∂y}=\frac{x^2+y^2}{x+y} e^{\frac{x^2+y^2}{x+y}}\)

  খ

  \(x \frac{∂z}{∂x}+y \frac{∂z}{∂y}=1-\frac{x^2+y^2}{x+y} e^{\frac{x^2+y^2}{x+y}}\)

  গ

  \(x \frac{∂z}{∂x}+y \frac{∂z}{∂y}=1+\frac{x^2+y^2}{x+y} e^{\frac{x^2+y^2}{x+y}}\)

  ঘ

  \(x \frac{∂z}{∂x}+y \frac{∂z}{∂y}=-\frac{x^2+y^2}{x+y} e^{\frac{x^2+y^2}{x+y}}\)
• Given the kinetic energy of body is T = 1⁄2 mv2. If the mass of body changes from 100 kg to 100 kg and 500 gm and velocity of a body changes from 1600 mt/sec to 1590 mt/sec. Then find the approximate change in T.
  ক

  960000 J decrease in value

  খ

  960000 J increase in value

  গ

  450000 J decrease in value

  ঘ

  450000 J increase in value
• Magnitude of error can be negative or positive.
  ক

  True

  খ

  False
• Find the percentage change power in the circuit if error in value of resistor is 1% and that of voltage source is .99%.
  ক

  z should be homogeneous and of order n

  খ

  z should not be homogeneous but of order n

  গ

  z should be implicit

  ঘ

  z should be the function of x and y only
• Relative error in x is?
  ক

  δx

  খ

  δx⁄x

  গ

  δx⁄x * 100

  ঘ

  0
• Error is the Uncertainty in measurement.
  ক

  True

  খ

  False