Which of the following statements about a bar magnet is c...
Which of the following statements about a bar magnet is correct?
iron fillings cling uniformly along the length of a bar magnet
the magnetic properties are more pronounced at the middle of a magnet
it is impossible to have the same poles at the end of a magnet
the magnetic properties are more pronounced at points near the end of the bar
Correct answer is D
No explanation has been provided for this answer.
Which of the following electromagnetic waves is least energetic? ...
The linear expansivity of brass is 2 x 10\(^{-5}\) \(^oC^{-1}\). If the volume of piece o...
The image is a plane mirror is ...
The image obtained on the screen of a pin-hole camera becomes less sharply defined when the ...