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These questions consist of two statements each printed as assertion and reason. Whole answering these questions you are required to choose any one of of following responses.
Assertion : If the bob of a simple pendulum is kept in a horizontal electric field, its period of oscillation will remain same.
Reason : If bob is charged and kept in horizontal electric field, then the time period will be decreased.
  • a)
    if both Assertion and Reason are true and Reason is the correct explanation of Assertion
  • b)
    If the Assertion and Reason are true but Reason is not correct explanation of Assert ion
  • c)
    If Assertion is true but, Reason is false
  • d)
    If Assertion is false but, Reason Is true
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
These questions consist of two statements each printed as assertion an...
When an uncharged bob of pendulum is placed in an electric field, the time period of the simple pendulum remains the same. But when a charged pendulum is placed in the electric field, one side of restoring force will support and other side of restoring force will oppose the motion. So, it will not create any impact on time period.

Hence, the coorrect option is b.
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Most Upvoted Answer
These questions consist of two statements each printed as assertion an...
Assertion and Reason:

Assertion: If the bob of a simple pendulum is kept in a horizontal electric field, its period of oscillation will remain the same.

Reason: If the bob is charged and kept in a horizontal electric field, then the time period will be decreased.

Explanation:

In order to analyze the given assertion and reason, let's break it down into two parts:

Part 1: If the bob of a simple pendulum is kept in a horizontal electric field, its period of oscillation will remain the same.

A simple pendulum consists of a mass (bob) attached to a string or rod that is fixed at one end. The motion of a simple pendulum is governed by the length of the string and the acceleration due to gravity. The period of oscillation, which is the time taken for one complete cycle of oscillation, is directly related to the length of the string.

When the bob of a simple pendulum is kept in a horizontal electric field, it experiences a force due to the electric field. However, this force does not affect the length of the string or the acceleration due to gravity. Therefore, the period of oscillation remains unchanged. Hence, the first part of the assertion is true.

Part 2: If the bob is charged and kept in a horizontal electric field, then the time period will be decreased.

When the bob of a simple pendulum is charged and kept in a horizontal electric field, it experiences an additional force due to the interaction between the electric field and the charge on the bob. This additional force modifies the motion of the pendulum.

The force due to the electric field can be decomposed into two components: one along the direction of the string and another perpendicular to it. The component along the direction of the string does not affect the length of the string or the acceleration due to gravity. Therefore, it does not affect the period of oscillation.

However, the component perpendicular to the string affects the tension in the string, leading to a change in the effective length of the string. As the effective length changes, the period of oscillation is altered. In this case, if the bob is charged and kept in a horizontal electric field, the time period will be decreased. Hence, the reason provided for the assertion is correct.

Conclusion:

Based on the analysis of the given assertion and reason, we can conclude that both the assertion and reason are true, but the reason is not the correct explanation of the assertion. Therefore, the correct answer is option 'B'.
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These questions consist of two statements each printed as assertion and reason. Whole answering these questions you are required to choose any one of of following responses.Assertion: If the bob of a simple pendulum is kept in a horizontal electric field, its period of oscillation will remain same.Reason: If bob is charged and kept in horizontal electric field, then the time period will be decreased.a)if both Assertion and Reason are true and Reason is the correct explanation of Assertionb)If the Assertion and Reason are true but Reason is not correct explanation of Assert ionc)If Assertion is true but, Reason is falsed)If Assertion is false but, Reason Is trueCorrect answer is option 'B'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about These questions consist of two statements each printed as assertion and reason. Whole answering these questions you are required to choose any one of of following responses.Assertion: If the bob of a simple pendulum is kept in a horizontal electric field, its period of oscillation will remain same.Reason: If bob is charged and kept in horizontal electric field, then the time period will be decreased.a)if both Assertion and Reason are true and Reason is the correct explanation of Assertionb)If the Assertion and Reason are true but Reason is not correct explanation of Assert ionc)If Assertion is true but, Reason is falsed)If Assertion is false but, Reason Is trueCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for These questions consist of two statements each printed as assertion and reason. Whole answering these questions you are required to choose any one of of following responses.Assertion: If the bob of a simple pendulum is kept in a horizontal electric field, its period of oscillation will remain same.Reason: If bob is charged and kept in horizontal electric field, then the time period will be decreased.a)if both Assertion and Reason are true and Reason is the correct explanation of Assertionb)If the Assertion and Reason are true but Reason is not correct explanation of Assert ionc)If Assertion is true but, Reason is falsed)If Assertion is false but, Reason Is trueCorrect answer is option 'B'. Can you explain this answer?.
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