Which of the following affects the period of a simple pen...
Which of the following affects the period of a simple pendulum?
i. mass of the pendulum bob.
ii. length of the pendulum.
iii. acceleration due to gravity.
i, ii, and iii
ii and iii only
i and iii only
i and ii only
Correct answer is B
No explanation has been provided for this answer.
Evaporation of a liquid produces cooling of the liquid because the ...