A. Karl-Weins law
B. Rayleigh-Jeans law
C. Stephens law
D. Plancks
Related Mcqs:
- 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 - Gas molecules of different masses in the same container have the same average transnational kinetic energy which is directly proportional to their_____________?
A. volume
B. pressure
C. absolute temperature
D. time - 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 - 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 - If the pressure of a given gas is held constant its density is inversely proportional to its absolute temperature. We can refer it as another statement of______________?
A. Boyles law
B. Charles law
C. Ideal gas law
D. Avagadros law - The acceleration in the rocket at any instant is proportional to the nth power of the velocity of the expelled gases. Where the value of n must be ?
A. -1
B. 1
C. 2
D. -2 - The energy liberated when one atom of U-235 undergoes fission reaction is________________?
A. 200MeV
B. 40MeV
C. 30MeV
D. 20MeV - Geothermal energy is a _______________________ source of energy?
A. non-renewable
B. stable
C. renewable
D. none of the above - ________________ cells converts solar energy into electrical energy?
A. rotory
B. photovoltaic
C. galvanic
D. non of these - In normal state of energy the incident high energy photons will be______________?
A. Stimulated
B. Absorbed
C. Cause X-ray emission
D. Cause laser production
