Q. What is the time period of oscillation of a simple pendulum of length L and mass m?

View solution

Q. 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

View solution

Q. The equation of friction loss in a pipe of length l and diameter d through which fluid flows with velocity v is

View solution

Q. Bernoulli’s equation for fluid flow along a stream line is given as

View solution

Q. The convective film coefficient in k cal/m² hr degree can be converted to J/m² s degree by multiplying it with a factor

View solution

Q. The pressure in kg/cm² can be converted to N/m² by multiplying it with a factor

View solution

Q. How many Newton’s are there in one kg?

View solution

Q. How many Joule are there in 1 k cal?

View solution

Q. How many fundamental quantities are there?

View solution

Q. What is the dimension of coefficient of volumetric expansion?

View solution

Q. What is the dimension of convective film coefficient?

View solution

Q. What is the dimension of velocity?

View solution

Q. What is the dimension of area?

View solution

Q. What is the dimension of volume?

View solution

Q. What is the dimension of work?

View solution

Q. What is the dimension of temperature?

View solution

Q. What is the dimension of mass?

View solution

Q. What is the dimension of length?

View solution

Q. What is the dimension of time?

View solution

Q. If there are n variables in a dimensionally homogeneous equation and if these variables contain m primary dimensions, then the variables can be grouped into how many non-dimensional parameters?

View solution