8cm
16cm
24cm
32cm
Correct answer is D
F = uv ; v = 1u
12 = \(\frac{v + 3v}{v + 3v}\)
v = 16cm, u = 48cm
distance between U and V
= 48 - 16 =32cm
The graphite rods surrounding the uranium fuel rods in a nuclear reactor, are used to ...
The frictional force between two bodies? ...
Which process is responsible for production of energy in stars? ...
Which of these statements are TRUE of pressure in liquids? i. pressure acts equally in all direct...
The kinetic theory of photoelectron liberated from a metallic surface depends on the ...
The force between the molecules of a liquid in contact with that of a solid is? ...