A positively charged glass rod is placed near the cap of ...
A positively charged glass rod is placed near the cap of a positively charged electroscope. The divergence of the leaf is observed to
decrease
increase
remain the same
increase and collapse immediately
Correct answer is B
No explanation has been provided for this answer.
Calculate the quantity of heat needed to change the temperature of 60g of ice at 0 °C to 80 °...
Which of the following statements is not correct about long sight? ...
The electromagnetic wave that can produce a heating effect on the environment is ...
The pair of physical quantities consisting of vectors only are ...