Which of the following substances lowers the surface tens...
Which of the following substances lowers the surface tension of water?
metal
sand
detergent
paper
Correct answer is C
No explanation has been provided for this answer.
The clinical thermometer is characterized by having a ...
A bar magnet is most effectively demagnetized by ...
The diagram above illustrates a mode of vibration of a wire of length 125 cm. The speed of the ...
The friction which exist between two layers of liquid in relative motion is called ...
If an object whose mass is 3kg moves in a circular path of a radius 0.7m, records a speed at 2m...
The area under a force-time graph represents-------- ...
Which of the following is used for the correction of short sightedness? ...