Units and Measurement questions
875 published questions with worked solutions.
- If K denotes coefficient of thermal conductivity, d the density and c the specific heat, the unit of X, where X=K/dc will be [UP...
- Given that y = A [ ( 2 )(ct-x) ], where y and x are measured in metre. Which of the following statements is true? [UP SEE 2006]
- If unit of length, mass and time each be doubled, the unit of work done is increased by [Jamia Millia Islamia 2004]
- Density of liquid in CGS system is 0.625 g ,cm^ -3 . What is its magnitude in SI system? [J & K CET 2005]
- Which one of the following is not a fundamental SI unit? [BVP 2009]
- The unit of Wien's constant b is [MHT-CET 2009]
- The physical quantity which is not a unit of energy is [BVP 2009]
- Some physical constants are given in Column-I and their dimensional formulae are given in Column-II. Match the following lists. |...
- The frequency f of vibration of mass m suspended from a spring of spring constant k is given by f=cm^xk^y, where c is a...
- Out of the following pairs, which one does not have identical dimensions? [AIEEE 2005]
- Which of the following is dimensionless?
- The square root of the product of inductance and capacitance has the dimension of [Guj CET 2006]
- If E= energy, G= gravitational constant, I= impulse and M= mass, then dimensions of GIM^2 E^2 are same as that of [BCECE 2008,...
- If C is the capacitance and V is the electric potential, then the dimensional formula for CV^2 is [K CET 2011]
- The only mechanical quantity which has negative dimension of mass is [J & K CET 2007]
- The dimensions of a b in the equation p= a-t^2 bx , where p is pressure, x is distance and t is time, are [Guj CET 2005]
- Out of the following four dimensional quantities, which one qualifies to be called a dimensional constant? [Guj CET 2006]
- In the gas equation (p+ a V^2 )(V-b)=RT, the dimensions of a are [OJEE 2004, JCECE 2004, BVP 2004]
- The dimensions of coefficient of self inductance are [UP SEE 2008]
- Position of a body with acceleration a is given by x=ka^mt^n. Here t is time. Find the dimensions of m and n. [OJEE 2005]
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