Related Questions
Which of the following equations is dimensionally homogeneous?
v = u + at
s = ut + at
v^2 = u^2 + a
s = vt^2
Which of the following is not a valid application of the principle of homogeneity?
Predicting the exact numerical value of a physical quantity
Checking the correctness of an equation
Deriving relationships between physical quantities
Converting units
In the equation , if the unit of force () is newton (N), mass () is kilogram (kg), and acceleration () is , is the equation dimensionally homogeneous?
Yes
No
Cannot be determined
Depends on the value of
If the velocity (), acceleration (), and time () are related by an equation , what are the dimensions of ?
Given the equation , where is pressure, is volume, and is temperature. What are the dimensions of ?
M^3L^6T^{-6}Θ^{-1}
M^2L^5T^{-4}Θ^{-1}
M^2L^4T^{-5}Θ
M^3L^7T^{-5}Θ^{-1}
The viscous force acting on a sphere moving through a liquid depends on the radius of the sphere, the velocity of the sphere, and the coefficient of viscosity of the liquid. If , where is a dimensionless constant, using dimensional analysis, find the values of , .
Which of the following equations is dimensionally incorrect according to the principle of homogeneity?
A hypothetical equation is given as , where is density, is pressure, and is temperature. The dimensions of are:
[M L T \Theta]
[M L T \Theta]
[M L \Theta]
[M L T]
The frequency of vibration of a stretched string depends on its length , its linear mass density , and its tension . Which of the following is a possible formula for , consistent with the principle of homogeneity?
The principle of homogeneity states that:
The dimensions of each term in a physically valid equation must be the same.
All physical quantities must have the same dimensions.
Only quantities with the same dimensions can be added or subtracted.
The numerical values of each term in an equation must be the same.