Dimensional Homogeneity MCQ

Test your knowledge with important Dimensional Homogeneity MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Dimensional Homogeneity MCQs on Bissoy. Bissoy App

• How many fundamental quantities are there?
  ক

  1

  খ

  2

  গ

  3

  ঘ

  4
• How many Joule are there in 1 k cal?
  ক

  3186

  খ

  4186

  গ

  5186

  ঘ

  6186
• How many Newton’s are there in one kg?
  ক

  9.507

  খ

  9.607

  গ

  9.707

  ঘ

  9.807
• The pressure in kg/cm2 can be converted to N/m2 by multiplying it with a factor
  ক

  9.807 * 10 2

  খ

  9.807 * 10 3

  গ

  9.807 * 10 4

  ঘ

  9.807 * 10 5
• The convective film coefficient in k cal/m2 hr degree can be converted to J/m2 s degree by multiplying it with a factor
  ক

  1.1627

  খ

  1.1527

  গ

  1.1427

  ঘ

  1.1327
• Bernoulli’s equation for fluid flow along a stream line is given as
  ক

  p/w + V 2/2 g + y = 2

  খ

  p/w + V/2 g + y = constant

  গ

  p/w + V 2/2 g + y = 1

  ঘ

  p/w + V 2/2 g + y = constant
• The equation of friction loss in a pipe of length l and diameter d through which fluid flows with velocity v is
  ক

  h i = 4 f V 2/d g

  খ

  h i = 4 f V 2/d 2 g

  গ

  h i = 4 f V 2/d 2 g

  ঘ

  h i = 4 f V 2/2 g
• The principle of dimensional homogeneity serves the following useful concepts (i) It helps to check whether an equation of any physical phenomenon is dimensionally homogenous or not (ii) It helps to determine the dimensions of a physical quantity (iii) It helps to convert the units from one system to another Identify the correct statements
  ক

  i and ii

  খ

  ii and iii

  গ

  i, ii and iii

  ঘ

  ii only
• What is the time period of oscillation of a simple pendulum of length L and mass m?
  ক

  2 π (L/g) 3/2

  খ

  2 π (L/g)

  গ

  2 π (L/g) 2

  ঘ

  2 π (L/g) 1/2
• How is dimensional homogeneity related with fundamental units of measurements?
  ক

  Independent

  খ

  Dependent

  গ

  Dependent but can vary

  ঘ

  Twice