Question:
Which has the highest weight?
Which has the highest weight?
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Which has the highest weight?
Updated On: Apr 15, 2026
- $1~m^{3}$ of water
- A normal adult man
- 10 L of Hg
- All have same weight
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The Correct Option is A
Solution and Explanation
Step 1: Analysis of (A)
Density of water $= 1000 \text{ kg/m}^3$. Volume $= 1 \text{ m}^3$. Mass $= \text{Density} \times \text{Volume} = 1000 \text{ kg}$.
Step 2: Analysis of (B)
A normal adult man weighs approximately 65–80 kg.
Step 3: Analysis of (C)
Density of Mercury (Hg) $= 13.6 \text{ g/cm}^3$ (or $13600 \text{ kg/m}^3$). Volume $= 10 \text{ L} = 0.01 \text{ m}^3$. Mass $= 13600 \times 0.01 = 136 \text{ kg}$.
Step 4: Conclusion
$1000 \text{ kg (Water)}>136 \text{ kg (Hg)}>70 \text{ kg (Man)}$. Option (A) has the highest weight.
Final Answer: (A)
Density of water $= 1000 \text{ kg/m}^3$. Volume $= 1 \text{ m}^3$. Mass $= \text{Density} \times \text{Volume} = 1000 \text{ kg}$.
Step 2: Analysis of (B)
A normal adult man weighs approximately 65–80 kg.
Step 3: Analysis of (C)
Density of Mercury (Hg) $= 13.6 \text{ g/cm}^3$ (or $13600 \text{ kg/m}^3$). Volume $= 10 \text{ L} = 0.01 \text{ m}^3$. Mass $= 13600 \times 0.01 = 136 \text{ kg}$.
Step 4: Conclusion
$1000 \text{ kg (Water)}>136 \text{ kg (Hg)}>70 \text{ kg (Man)}$. Option (A) has the highest weight.
Final Answer: (A)
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