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How many significant figures are present in 1000.00.

Important Questions on Units and Measurements

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Physics>Mechanics>Units and Measurements>Significant Figures
If NA,NB and NC are the number of significant figures in A=0.001204 m, B=43120000 m,  and C=1.200 m respectively then
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Physics>Mechanics>Units and Measurements>Significant Figures
Order of magnitude of a physical quantity is the
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Physics>Mechanics>Units and Measurements>Significant Figures
The number of significant figures in 0.07800 is
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Physics>Mechanics>Units and Measurements>Significant Figures
The area of a rectangular field (in m2) of length 55.3 m and breadth 25 m after rounding off the value for correct significant digits is:
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Physics>Mechanics>Units and Measurements>Significant Figures
The diameter and height of a cylinder are measured by a meter scale to be 12.6±0.1cm and 34.2±0.1cm, respectively. What will be the value of its volume in appropriate significant figures?
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Physics>Mechanics>Units and Measurements>Significant Figures
The length and diameter of a cylinder are measured to be 10.1031 cm and 2.0935 cm respectively. The volume of the cylinder to an appropriate significant figures is
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Physics>Mechanics>Units and Measurements>Significant Figures
The distance of a circle is 2.486 m. Its area with due regard to signifiant figures is (Given π=3.142)
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Physics>Mechanics>Units and Measurements>Significant Figures
Taking into account of the significant figures, what is the value of 9.99 m–0.0099 m?
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Physics>Mechanics>Units and Measurements>Significant Figures
In an experiment on a simple pendulum to determine the acceleration due to gravity, the student measures the length of the thread as 63.2 cm and diameter of the pendulum bob as 2.256 cm. The student should take the length of the pendulum to be
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Physics>Mechanics>Units and Measurements>Significant Figures
For the four sets of three measured physical quantities as given below. Which of the following options is correct?
i A1=24.36,B1=0.0724,C1=256.2
ii A2=24.44,B2=16.082,C2=240.2
iii A3=25.2,B3=19.2812,C3=236.183
iv A4=25,B4=236.191,C4=19.5
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Physics>Mechanics>Units and Measurements>Significant Figures
A body accelerates from rest with a uniform acceleration a for a time t. The uncertainty in 'a' is 8% and the uncertainty in 't' is 4%. The uncertainty in the speed is
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Physics>Mechanics>Units and Measurements>Significant Figures
The area of a square is 5.29 cm2. The area of 7 such squares taking into account the significant figures is:
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Physics>Mechanics>Units and Measurements>Significant Figures
Two numbers a=0.92 and b=0.08 are given. The number of significant figures present in the result after the following operations, a+b, a-b, a×b and ab, respectively, are
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Physics>Mechanics>Units and Measurements>Significant Figures
If edge length of a cuboid are measured to be 1.2cm, 1.5cm and 1.8cm, then volume of the cuboid is
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Physics>Mechanics>Units and Measurements>Significant Figures
The number of significant digits in 0.001001 is
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Physics>Mechanics>Units and Measurements>Significant Figures
The respective number of significant figures for the numbers 23.023, 0.0003 and 2.1×10-3 are
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Physics>Mechanics>Units and Measurements>Significant Figures
Given π=3.14, the value of π2 according to the concept of significant figures is
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Physics>Mechanics>Units and Measurements>Significant Figures
If the value of resistance is 10.845 Ω and the value of current is 3.23 A, the potential difference is 35.02935 V. Find its value in significant number. 
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Physics>Mechanics>Units and Measurements>Significant Figures
The number of significant digits in 200.40 are
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Physics>Mechanics>Units and Measurements>Significant Figures
The number of significant figures in 3400 is