Assertion : Absolute error may be negative or positive.
Reason : Absolute error is the difference between the real value and the measured value of a physical quantity.

Define error in a measurement of any physical quantity.

Define errors in a measurement of any physical quantity.

Write type or error in measurement of physical quantity and explain.

Assertion(A) : Absolute value of H cannot be determined. Reason(R ) : Absolute value of E cannot be determined.

Assertion: The least value that can be measured using screw gauges, vernier calipers is called least count. Reason:The magnitude of difference between the true value and the measured value is called relative error or fractional error.

Distinguish between absolute error and relative error.

Mention the causes which give rise to errors during the measurement of physical quantities.

How is absolute error different from mean absolute error?

Can we measure the absolute value of internal enegry?

Can we measure the absolute value of internal enegry?