Question

) Same person may get different readings because of human limitations, this
comes under -----
a) instrumental error b) constant error
c) random error d) personal error

Answer 1

Answer:

personal error

Explanation:

Answer 2

Explanation:

Same person may get different readings because of human limitations , this comes under (d) personal error.

Instrumental Error:-

These errors arises due to three main reasons .

1. Due to inherent shortcoming in the instrument.
2. Due to misuse of the instruments.
3. Due to loading effects of instruments

.

Constant Error:-

It is computed as the average positive or negative difference between the observed and actual values along a dimension of interest.

Random Error:-

It cannot be eliminated but can be reduced by conducting repeat trials.

They can also be reduced by using precise apparatus (such as using a volumetric pipette rather than a beaker to measure volume).

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