Gas molecules of different masses in the same container have the same average transnational kinetic energy which is directly proportional to their_____________?

Related Mcqs:

1. Average translational kinetic energy per molecule of an ideal gas is given by_____________?

   A. 3NaT/2R
   B. 2NaT/3
   C. 3RT/2Na
   D. 3Na/2RT

2. The total energy of a body executing S.H.M is directly proportional to________________?

   A. The square root of amplitude
   B. The amplitude
   C. Reciprocal of amplitude
   D. Square of an amplitude

3. The energy radiated is directly proportional to the fourth power of Kelvins temperature is________________?

   A. Karl-Weins law
   B. Rayleigh-Jeans law
   C. Stephens law
   D. Plancks

4. In a photoelectric effect monochromatic light is incident on a metal surface. If the incident light of twice the intensity but of same wavelength the kinetic energy of the emitted electron_______________?

   A. Becomes double
   B. Remains same
   C. Becomes half
   D. First increases then decrease because of the curvilinear graph

5. If the momentum of an object is increased twice, then what will be the kinetic energy?

   A. Twice
   B. Thrice
   C. Four times 
   D. Sixteen times

   Submitted by: Imran Ali Mirbahar

6. Terminal velocity of the body is directly proportional to the_______________?

   A. The radius of the body
   B. The diameter of the body
   C. Size of the body
   D. Square of the diameter of the body

7. Maximum frequency in the spectrum from X-ray tube is directly proportional to the______________?

   A. Number of incident electron i.e. filament current
   B. The kinetic energy of the incident electron i.e. the potential difference through which they are accelerated
   C. The soft target which can easily emit electrons
   D. All of above are correct

8. Which of the following properties of molecules of a gas is same for all gases at particular temperature ?

   A. momentum
   B. mass
   C. velocity
   D. kinetic energy

9. Sum of the masses of constituent nucleons as compared to the mass of the resultant nucleus is______________?

   A. Smaller
   B. Greater than 82
   C. Same
   D. Sometimes smaller some times greater

10. What is the force of attraction between any two bodies by virtue of their masses is called?

    A. Electromagnetic Force
    B. Gravitational Force
    C. Centripetal Force
    D. Nuclear Force

    Submitted by: Nayab Idrees