Bordeaux mixture, a fungicide contains ______
Bordeaux mixture is a combination of copper sulfate, lime, and wate and is an effective fungicide and bactericide that has been used for decades to control diseases of fruit and nut trees, vine fruits, and ornamental plants.
Specific resistance of a conductor increases with :
The speed of a fast moving electron, having total energy of 2 MeV, is nearly:
Consider the following two statements
(A) Kirchhoff's junction law follows from the conservation of charge.
(B) Kirchhoff's loop law follo...
A sphere of radius 1m encloses a charge of 10μC. Another charge of −5μC is placed inside the sphere. The net electric flux would be :
Two billiard balls each of mass 0.02 kg moving in opposite directions with speed 5 m s−1 collide and rebound with the same speed. What is t...
A pond of water appears less deep due to –
A charged particle oscillates about its mean equilibrium position with a frequency of 105 Hz. What is the frequency of the electromagnetic wa...
Going from fluorine to chlorine, to bromine and then to iodine, the electro negativity:
The reason for a swimming pool to appear less deep than the actual depth is –
A pulse of light duration 10-5 s is absorbed fully by a little object initially at rest. If the power of this pulse is 45 × 10-3...
