The diagram above represents the graph of the force F app...
The diagram above represents the graph of the force F applied in stretching a spiral spring against the corresponding extension (X). The force constant of the spring is?
20 Nm-1
40 Nm-1
30 Nm-1
10 Nm-1
Correct answer is A
F = Ke (Hooke's law)
K = F/e = 80/4
= 20 Nm-1
When 100g of liquids L1 at 78°C was mixed with Xg of liquid L2 at 50°C, the final temperatur...
an electric cell with nominal voltage E has a resistance of 3Ω connected across it. If the vol...
The optical instrument which is suitable for viewing a nearby objects is ………..?...
Which of the following is not correct about the Rutherford’s model of an atom? ...
The maximum power transfer occur in a cell when the external resistance is ...
What is the least possible error in using a rule graduated in centimeters? ...