MCQ practice · SSC Physics Board questions · Chapter 5: State of Matter and Pressure
What is the density of the human body in kg m⁻¹?
Think it through first, then pick an option.
- a 995
- b 1020
- c 1095
- d 1120
Answer and explanation
Correct answer: a 995
The human body is 0.995 gm/cc, that is 995 kg/m³. The paper prints the unit as kg m⁻¹, which is a misprint for kg m⁻³.
Why the other options are wrong
- b 1020: A value of 1020 would make the body denser than water (1000); the value is 0.995 gm/cc, that is 995 kg/m³.
- c 1095: A value of 1095 would make the body much denser than water; the value is 995 kg/m³.
- d 1120: A value of 1120 would make the body much denser than water; the value is 995 kg/m³.
More board questions on this topic
- Density of a body depends on which of the following things?
- Even if the volumes of two bodies are equal, the one with-
- Which is the dimension of density?
- What is the unit of density?
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