Units and Measurement questions
875 published questions with worked solutions.
- A wire has mass (0.3 0.003) gram, radius (0.5 0.005) mm and length (6 0.06)cm. The maximum error in the measurement of density is
- The length of rod is measured by meter scale having least count 0.1 cm and diameter is measured by vernier callipers having least...
- The error in the measurement of length and mass of a cube is 3% and 4% respectively. The error in the measurement of its density...
- A force 'F' is applied on a square plate of side 'L'. If the percentage error in determining 'L' is 3% and that in 'F' is 2% then...
- The maximum error in the measurement of the density and mass of the uniform cube are 8% and 2% respectively. Hence, the maximum...
- If two resistors of resistances have values R_1 = (350 3) and R_2 = (140 4) . The percentage error for the sum and difference of...
- If L is the inductance and R is the resistance then the SI unit of L R is
- The formula for the physical quantity is P = x^3 y z^2 ,x and the percentage error in the determination of physical quantities x,...
- A cuboid has volume V = l l l , where l is the length of one side. When the length l is measured by a meter scale of least count...
- The voltage across a lamp is (6.0 0.3) volt and the current passing through it is (4.0 0.1)ampere. The power consumed in watt...
- The density of a cube is measured by measuring its mass and length of its sides. The % error in the measurement of mass and...
- A student measures time or 20 oscillations of a simple pendulum as 30 s, 32 s, 35 s and 35 s. If the minimum division in the...
- A physical quantity x is related as x = a ,b^2c^3d^ -4 . Relative errors in the quantities a, b, c and d are 2%, 1%, 3% and 4%...
- The percentage error in the measurement of mass of a body and its speed are 0.73 % and 1.84 % respectively. The percentage error...
- Error in the measurement of radius of the sphere is 2 %. The error in the calculated value of its volume is
- A physical quantity A ca be determined by measuring parameters B, C, D and E using the relation A= B^ C^ D^ E^ . If the maximum...
- The percentage error in the measurement of mass and speed of a particular body is 3% and 4% respectively. The percentage error in...
- The period of oscillting simple pendulum is T=2 g where length ' ' is 100 cm with error 1 mm. Period is 2 second. The time of 100...
- The pressure on a square plate is measured by measuring the force acting on the plate and length of the sides of the plate. The...
- Which of the following comes under the category of random errors?
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