Question

what is meant by error explain its three types constant G - 6.67 × 10 - 11 Nm^2/kg^2
G - 9.8m/s^2
π-3.142​

Answer 1

Answer : G = 6.67 X 10 power -11 Nm square / kg square

g = 9.8 m/s power 2

$\pi$

= 3.14 or 22/7.

Answer 2

Explanation:

Error in physics is difference between actual value and the calculated value.

There are 3 types of error :

(a) Systematic error

Error which is either positive or negative and can be corrected. This error is sub divided into 3 types-

1. Instrumental error - It is the error which arises due to defects in instruments.
2. Technical error - It is the error which arises due to imperfection or lack of awareness about procedure of experiments.
3. Personal error - This error occurs due to individuals mistake. Eg- Parallax.

(b) Random error

This error occurs irregularly and randomly. Generally it's difficult to correct this type of error.

(c) Least count error

• this error can be random or systematic error
• occur due to different precision of instruments.