(A) T
(B) P
(C) T.P
(D) P.T
ـــــ is transfer by waves?
(A) Energy
(B) Frequency
(C) Wavelength
(D) Vilocity
If 4 joules are applied against an electric field on a 2 Coulomb charge, the value of the electric potential will be?
(A) 1 Volt
(B) 8 Volt
(C) 2 Volt
(D) 4 Volt
Electrical energy is equal to?
(A) QR
(B) QV
(C) QC
(D) Qt
What is the half life of Radium-226?
(A) 1220 Years
(B) 1420 Years
(C) 1620 Years
(D) 1820 Years
Mechanical advantage of an inclined plane can be found by which formula?
(A) Slopelength/height
(B) Height/Slopelength
(C) Both of the above
(D) None of the above
What is the unit of work?
(A) Joule
(B) Metre
(C) Watt
(D) Newton
Under the action of a torque, if the rotation produced is anticlockwise, the torque is considered te be?
(A) One
(B) Zero
(C) Positive
(D) Negative