MASS WEIGHT VOLUME AND DENSITY - Practice Mode

1) Wha is the mass if the density of a body is 7.6 g/cm³ and its volume is 25 cm³?

190 grams 200 grams 210 grams 220 grams

Correct Answer: 190 grams

2) What is the specific gravity of the solid, if density of the solid is 19.5 g/cm³?

8 18.5 19 19.5

Correct Answer: 19.5

3) What is the density (r) in g/cm3 of an iron cube, if it weighs (W) 4.8 kg and volume (V) is 640 cm,³?

6.6 g/cm<sup>3</sup> 6.9 g/cm<sup>3</sup> 7.2 g/cm<sup>3</sup> 7.5 g/cm<sup>3</sup>

Correct Answer: 7.5 g/cm<sup>3</sup>

4) What is the volume (V) of mercury in cm3, if mass (m) of mercury is 1 kg and density (r) is 13.6 g/cm³?

73.53 cm<sup>3</sup> 73.43 cm<sup>3</sup> 73.33 cm<sup>3</sup> 73.23 cm<sup>3</sup>

Correct Answer: 73.53 cm<sup>3</sup>

5) What is the mass in gram, if a force of 15 dyres acting on a mass m producing an acceleration of 2.5 cm/sec²?

9 grams 8 grams 7 grams 6 grams

Correct Answer: 6 grams

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