Physics questions
20027 published questions with worked solutions.
- If the temperature of a hot body is increased by 50% the amount of radiation emitted by it increases approximately by:
- A solid copper sphere of radius R and a hollow copper sphere of equal internal and external radius R are heated to same...
- In the relation n= PV RT , n =
- The product of the pressure and volume of an ideal gas is
- The dimensions of universal gas constant are
- In the equation PV 4 =RT, V represents
- According to kinetic theory of gases, which one of the following statements is INCORRECT?
- The collisions between the molecules among themselves and with walls of a container are
- According to kinetic theory of gases, the average kinetic energy of a gas molecule can be determined by knowing
- The average of the square values of the velocity of gaseous molecules is called
- Which of the following experiments does NOT suggest that molecules are always in state of motion?
- Collisions in an ideal gas are assumed to be
- The ratio of R.M.S. velocity of air molecules at S. T. P. and velocity of sound in air at S. T. P is about ( =1.41 for air)
- Molecules of a gas behave like
- The wrong statement according to the kinetic theory of gases is
- According to the kinetic theory of matter, a molecule is the smallest particle of a substance and it possesses
- Kinetic theory of gases provides a base for
- The distance travelled by a molecule between two successive collisions is called as
- Which of the following laws is NOT derivable from kinetic theory of gases?
- Which of the following statements about kinetic theory of gases is wrong?