NDA 2017 Physics question

The time period of a simple pendulum made using a thin copper wire of length is . Suppose the temperature of the room in which this simple pendulum is placed increases by 30°C, what will be the effect on the time period of the pendulum ?

(A) will increase slightlyCorrect
(B) will remain the same
(C) will decrease slightly
(D) will become more than 2 times

Answer: (A)

Solution

. When the room temperature rises by 30 °C the copper wire expands a little (, with of the

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-030748