The area of sheet of length 10.2 cm and width 6.8 cm addressed upto proper number of significant figures is

13

Questions Match

1.
The area of sheet of length 10.2 cm and width 6.8 cm addressed upto proper number of significant figures is

1. 69.36 cm22. 69.4 cm23. 69 cm24. 70 cm2

2.
The area of cross-section of a wire of length 1.1 m is 1 mm². It is loaded with 1 kg. If Young's modulus of wire is 1.1 × 10¹¹ N/m², then the increase in length will be (if g = 10 m/s²)

1. 0.01 mm2. 0.075 mm3. 0.1 mm4. 0.15 mm

3.
A curve is given by y = sin x. The area enclosed by curve and x axis between x = 0 to x = is

1. 2 unit2. 1 unit3. 3 unit4.  unit

4.
Using intergration find the area enclosed by the curve y = x – x² and positive x axis from x = 0 to x = 1

1.  unit2.  unit3. unit4. unit

5.
Calculate the area under the line y = 3x and x-axis from x = 0 to x = 3

1. 12.5 sq. unit2. 13.5 sq. unit3. 14.5 sq. unit4. 13 sq. unit

The area of sheet of length 10.2 cm and width 6.8 cm addressed upto proper number of significant figures is