Physicshard · Past Paper
Atmospheric pressure is 760 mm of Hg. What is this in Pascals? (Density of Hg = 13600 kg/m³, g = 9.8)
A101292 Pa
B101325 Pa
C100000 Pa
D76000 Pa
✓ Correct Answer: A — 101292 Pa
P = hdg = 0.76 * 13600 * 9.8 = 101292.8 Pa.
Share this question
More from Physics
- The SI unit of resistivity is:
- If the mass of the Earth is M and its radius is R, the acceleration due to gravity g is:
- When a body is partially or fully immersed in a fluid, it experiences an upward force equal to the weight of the fluid displaced. This is:
- What is the SI unit of work?
- What is the potential at a point in an electric field if 20 J of work is done in moving 5 C charge to that point?