1.

Assertion. The number 14.56pm0.01 has three significant figures. Reason. Number of significant figures is total number of digits except the last digit whose value is uncertain.

Answer»

If both assertion and reason are true, and reason is the true EXPLANATION of the assertion.
If both assertion and reason are true, but reason is not the true explanation of the assetion.
If assertion is true, but reason if false
If both assertion and reason are false.

Solution :Correct A. The number `14.56pm0.01` has four SIGNIFICANT FIGURES.
Correct R. Number of significant figures is total number of DIGITS including the last digit whose value is uncertain.


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