NEET Physics Significant Figures Assertion Reason Question
Assertion (A): The number 0.004507 has four significant figures.
Reason (R): For a number less than 1, the zero(s) on the right of decimal point but to the left of the first non-zero digit are not significant.
Both A and R are true, and R is the correct explanation of A.
Both A and R are true, but R is not the correct explanation of A.
A is true but R is false.
A is false but R is true.
Correct Answer
Detailed Explanation
In the number 0.004507, the zeros to the left of 4 are not significant, leaving 4, 5, 0, and 7 as significant figures. The reason explains why these initial zeros are not counted.
Found an issue with this question?
Related Questions
More from Significant Figures
More from
Which of the following equations for a physical quantity is dimensionally consistent?
In an experiment to find out the diameter of wire using screw gauge, the following observation were noted:
The numbers 2.745 and 2.735 on rounding off to 3 significant figures will give