Given below are two statements:
Statement I: A second's pendulum has a time period of 1 second.
Statement II: It takes precisely one second to move between the two extreme positions.
In the light of the above statements, choose the correct answer from the options given below:
Statement I: A second's pendulum has a time period of 1 second.
Statement II: It takes precisely one second to move between the two extreme positions.
In the light of the above statements, choose the correct answer from the options given below:
- (A)Both Statement I and Statement II are false
- (B)Statement I is false but Statement II is true✓ Correct
- (C)Statement I is true but Statement II is false
- (D)Both Statement I and Statement II are true
Answer: (B)
Solution
A second's pendulum is defined by a time period of s, one second for each half of its swing, so Statement I is false. Half a period takes the bob from one extreme position to the other, and half of s is s, so Statement II is true. Statement I is false but Statement II is true.
JEE Main · 2021 · 26 Feb 2021 · Shift 2 · Single correct option