Physicshard · Past Paper
The density of air is approximately:
A1.2 kg/m^3
B1000 kg/m^3
C0.001 kg/m^3
D100 kg/m^3
✓ Correct Answer: A — 1.2 kg/m^3
At sea level and room temperature, air density is roughly 1.2 kg/m^3.
Share this question
More from Physics
- If the density of a body is equal to the density of the liquid:
- A particle is moving in a straight line with initial velocity u and uniform acceleration a. If the sum of distances in t-th and (t+1)-th seconds is 100m, then u + at is:
- The pressure at a point inside a liquid does not depend on:
- The change in direction of a ray of light when it enters from a rarer medium to a denser medium is:
- If the kinetic energy of a body becomes 9 times its initial value, its momentum becomes: