The energy contained in a wire when it extended by 0.02m ...
The energy contained in a wire when it extended by 0.02m by a force 500 N is
5J
10J
103J
104
Correct answer is A
Energy = \(\frac{1}{2}\)Fe
= \(\frac{1}{2}\) x 500 x 0.02
E = 5J
Which of the following explains the concave meniscus of water in a clean glass tube? the ...
The distance between a node and its adjacent antinode of a transverse wave is equal to? ...
Which of the following statements are true of the law of universal gravitation? ...
Three 2-µF capacitors are arranged as seen in the circuit above . The effective capacitance be...
Which of the following statements about photoelectrons is correct? ...