Advertisements
Advertisements
प्रश्न
Which of the following has the highest number of significant figures?
पर्याय
0.007 m2
2.64 × 1024 kg
0.0006032 m2
6.3200 J
Advertisements
उत्तर
6.3200 J
APPEARS IN
संबंधित प्रश्न
How many significant figures are present in the 2.0034?
How many significant figures should be present in the answer of the following calculation:-
`(0.02856 xx 298.15 xx 0.112)/0.5785`
The photograph of a house occupies an area of 1.75 cm2on a 35 mm slide. The slide is projected on to a screen, and the area of the house on the screen is 1.55 m2. What is the linear magnification of the projector-screen arrangement?
The mass of a box measured by a grocer’s balance is 2.300 kg. Two gold pieces of masses 20.15 g and 20.17 g are added to the box. What is
- What is the total mass of the box?
- What is the difference in the masses of the pieces to correct significant figures?
Solve the numerical example.
Write down the number of significant figures in the following: 0.003 m2, 0.1250 gm cm-2, 6.4 x 106 m, 1.6 x 10-19 C, 9.1 x 10-31 kg.
Write the rules for determining significant figures.
Write a short note on the following.
Rounding - off
If the density of a solution is 3.12 g mL–1, the mass of 1.5 mL solution in significant figures is ______.
What is the least count of a measuring instrument?
Which of the following numbers has 4 significant figures?
