Units and Measurement questions
875 published questions with worked solutions.
- [ML^3T^ -1 Q^ -2 ] is the dimensional formula of
- Statement 1: The dimensions of rate of flow are [M^0L^3T^ -1 ]. Statement 2: Rate of flow is velocity/sec.
- A resistor of 4 ,k with tolerance 10% is connected in parallel with a resistor of 6 ,k with tolerance 10%. The tolerance of the...
- The dimensions of a rectangular block measured with calipers having least count 0.01 cm are 5 ,mm 10 ,mm 5 ,mm. The maximum...
- If the unit of force is 1 kN, the length is 1 km and time is 100 s, what will be the unit of mass?
- The pitch of a screw gauge is 1 mm and there are 100 divisions on the circular scale. While measuring the diameter of a thick...
- Which of the following is a unit of permeability?
- For equation F A^av^bD^c, where F is force, A is area, v is velocity and D is density, the values of the dimensions are
- For the equation F A^av^bd^c, where F is the force, A is the area, v is the velocity and d is the density, the values of a,b and...
- Given that 2l m/T , where l is the length of a string of linear density m, under tension T, has the same dimensional formula as...
- If 1 g cm s^ -1 = x newton-second, then the number x is equal to
- In the equation X=3YZ^2, X and Z have the dimensions of capacitance and magnetic induction respectively. In the MKSQ system, the...
- Given X=(Gh/c^3)^ 1/2 , where G, h and c are the gravitational constant, Planck's constant and the velocity of light...
- What is the unit of k in the relation U= ky y^2+a^2 , where U represents the potential energy, y represents the displacement and...
- The following observations were taken for determining surface tension T of water by the capillary tube method. Diameter of...
- The ratio of 1 kWh to 1 MeV is
- Two quantities A and B are related by the relation A B =m, where m is linear mass density and A is force. The dimensions of B...
- What will be the unit of time in that system in which the unit of length is metre, unit of mass is kg and unit of force is kg-wt?
- The thrust developed by a rocket-motor is given by F=mv+A(p_1-p_2), where m is the mass of the gas ejected per unit time, v is...
- Let us choose a new unit of length such that the velocity of light in vacuum is unity. If light takes 8 min 20 sec to cover the...
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