A uniform light beam XZ is Hinged at X and kept in equili...
A uniform light beam XZ is Hinged at X and kept in equilibrium by the forces T and F as shown in the diagram above. if XO = 20m and OY = 30cm, express T in terms of F
T =2√3/3
T= 2F
T = 5V3F/3
T = 5F
Correct answer is D
No explanation has been provided for this answer.
In a projection lantern of focal length f, the object distance u, is such that ...
What is the resistance of the circuit shown above ...
Which of the following statements on the use of X-rays is incorrect? X-rays are used ...
In the electrical method of magnetisation, the polarity of the magnet depends on the ...
The inside of a vacuum flask is usually coated with silver to reduce heat loss by ...
The value of F in the figure above when in equilibrium is ...
The principle of operation of an induction coil is based on ...