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
Related Mcqs:
- When the body moves with terminal velocity the acceleration in the body become_____________?
A. 0
B. Maximum
C. Variable
D. Infinite - 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 - Terminal velocity is_____________?
A. Uniform
B. Maximum
C. Uniform and maximum
D. Neither uniform nor maximum - Terminal velocity is given by equation_______________?
A. Vt = gr2ρ
B. Vt = 2gr2/9ρ
C. Vt = gr2/9ρ
D. Vt = 9gr2/2ρ - hen a body moves in a circle, the angle between its linear velocity and angular velocity is always_______________?
WA. 180°
B. 0°
C. 90°
D. 45° - 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 - 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 - 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 - 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 velocity of sound in air would become double than its velocity at 0°C at temperature ?
A. 313°C
B. 586°C
C. 819°C
D. 1172°C
