JEE Main c11phy_sigfigs — practice questions
12 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice JEE Main c11phy_sigfigs in the app →Per NCERT §1.3 rule, ALL non-zero digits in a measurement are which?Per NCERT §1.3, the number of significant figures in 2.308 cm is which?Per NCERT §1.3 rule, in a number less than 1, the zeros LEFT of the first non-zero digit are which?Per NCERT §1.3, the number of significant figures in 0.007 m² is which?Per NCERT §1.3, in a number WITH a decimal point, TRAILING zeros are which?Per NCERT §1.3, the number of significant figures in 6.320 J (NCERT Ex 1.10d) is which?Per NCERT §1.3, the number 4 700 m written WITHOUT a decimal has how many significant figures?Per NCERT §1.3 (scientific notation), in the form a × 10ᵇ all zeros appearing in the base number a are which?Per NCERT §1.3, the diameter of Earth ≈ 1.28 × 10⁷ m has order of magnitude equal to which value?Per NCERT §1.3, the diameter of a hydrogen atom (≈ 1.06 × 10⁻¹⁰ m) has order of magnitude equal to which valuePer NCERT §1.3 rule, exact integers (like 2 in s = 2πr or n in T = t/n) have how many significant figures?Per NCERT §1.3, the digit 0 conventionally placed to the LEFT of the decimal in numbers < 1 (e.g. 0.1250) is w