A cylindrical tube rolling down a slope of inclination θ moves a distance L in time T. The equation relating these quantities is as in the figure. Where a is the internal radius of the tube and P and Q are constants. Which line gives the correct units for P and Q?
D.
C.
B.
A.
The SI unit of mutual inductance is the henry (H). Which of the following units is equivalent to the henry?
Ωs.
kgm²A⁻¹s⁻².
kgm²s⁻⁴.
kgm²A⁻²s⁻¹.
Select the list which contains only SI basic units.
Joule, kelvin, kilogram, watt.
Liter, meter, second, watt.
Candela, kelvin, meter, second.
Joule, newton, second, watt.
Kgm²s⁻² are the base units of:
Potential difference.
Energy.
Power
Planck constant
In the real gas equation (P + a/V2 )(V - b) = RT What is the dimension of the constant a?
ML⁻² T⁻².
ML⁻¹ T⁻².
ML5 T⁻².
ML⁻⁵ T⁻².
