A student performs an experiment and obtains a value of . The standard value is . Which of the following represents the student's result with the correct number of significant figures, considering the precision of the standard value?
Related Questions
In the determination of Young’s modulus by using Searle’s method, a wire of length L=2m and diameter d=0.5mm is used. For a load M=2.5 kg, an extension in the length of the wire is observed. Quantities d and are measured using a screw gauge and a micrometer, respectively. They have the same pitch of 0.5 mm. The number of divisions on their circular scale is 100. The contributions to the maximum probable scale is 100. The contributions to the maximum probable error of the Y measurement
Due to the errors in the measurements of d and are the same
Due to the error in the measurement of d is twice that due to the error in the measurement of
Due to the error in the measurement of is twice that due to the error in the measurement of d
Due to the error in the measurement of d is four time that due to the error in the measurement of
Which of the following has four significant figures?
2300
0.230
2.30 × 10²
0.02005
The error in the measurement of the length of a simple pendulum is 0.2 % and the error in the time period is 1%. What is the maximum percentage error in the measurement of physical quantity having the dimensional formula
A rectangular piece of fabric measures 55.3 cm in length and 25 cm in width. Calculate the area of the fabric, expressing your answer to the correct number of significant figures.
1382.5 cm²
1400 cm²
1380 cm²
1383 cm²
The error in the measurement of the length of a simple pendulum is 0.2 % and the error in the time period is 1%. What is the maximum percentage error in the measurement of physical quantity having the dimensional formula
Given, potential difference volt and current . The value of resistance R is
The length , breadth b and thickness t of a block are measured with the help of a metre scale. Given cm, cm, cm.The percentage error in volume is
0.64%
0.28%
0.37%
0.48%
In an experiment, the following observation’s were recorded: , M=3.00 kg,l=0.087 cm, diameter D=0.041 cm. Taking g=9.81 using the formula,
, the maximum permissible error in Y is
0.0796
0.0456
0.065
0.0842
The period of oscillation of a simple pendulum is given by where l is about 100 cm and is known to have 1mm accuracy. The period is about 2s. The time of 100 oscillations is measured by a stop watch of least count 0.1 s . The percentage error in g is
0.001
0.01
0.002
0.008