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:
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:
Option 1 -
Both Statement I and Statement II are false
Option 2 -
Statement I is false but Statement II is true
Option 3 -
Statement I is true but Statement II is false
Option 4 -
Both Statement I and Statement II are true
-
1 Answer
-
Correct Option - 2
Detailed Solution:Time period of second pendulum is 2 seconds. &nbs
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According to question, we can write
Kindly consider the following Image
(1/2)mu² = (1/2)mv² + mgl (1-cosθ)
⇒ v² = u² - 2gl (1-cosθ)
⇒ v² = 3² - 2×10×0.5× (1 - 1/2)
⇒ v² = 9 - 5 = 4
v = 2m/s

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