Systematic errors can be
positive only
negative only
either positive or negative
None of these
Get Answer
density
unit
Random error can be eliminated by
careful observation
eliminating the cause
measuring the quantity with more than one instrument
taking large number of observations and then their mean
(d) Taking large no. of observations and their mean value, we can eliminate random errors.
The is the error associated with the resolution of the instrument.
parallax error
random error
systematic error
least count error
The smallest value that can be measured by the measuring instrument is called
least count
parallax
accuracy
precision
Which of the following is not a systematic error?
Instrumental error
Imperfection in experimental technique
Personal error
(d) Instrumental errors, imperfection in experimental technique, personal error are source of systematic errors.
A torque meter is calibrated to reference standards of mass, length and time each with accuracy. After calibration, the measured torque with this torque meter will have net accuracy of :
(b)
So,
A simple pendulum is being used to determine the value of gravitational acceleration at a certain place. The length of the pendulum is and a stop watch with resolution measures the time taken for 40 oscillations to be . The accuracy in is
A physical quantity depends on four observables and , as . The percentages of error in the measurement of and are and respectively. The percentage of error in is :
(d) Given:
Percentage error in ,
.
If the length of the pendulum in pendulum clock increases by , then the error in time per day is:
(c) Time period,
Error in time period in one day
The magnitude of the difference between the individual measurement and true value of the quantity is called
absolute error
relative error
percentage error
(a) Absolute error,
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