यदि बल को एक चौथाई करना हो और आवेश समान रहें तो दूरी में क्या बदलाव करना होगा?

If force must be made one fourth while charges remain same what change in distance is needed?

Explanation opens after your attempt
Correct Answer

A. दूरी दोगुनी करनी होगी / Distance must be doubled

Step 1

Concept

Force is inversely proportional to square of distance.

Step 2

Why this answer is correct

Doubling distance makes distance squared four times.

Step 3

Exam Tip

Therefore force becomes one fourth. चरण 1: बल दूरी के वर्ग के व्युत्क्रम अनुपात में है। चरण 2: दूरी दोगुनी करने पर दूरी का वर्ग चार गुना होता है। चरण 3: इसलिए बल एक चौथाई हो जाता है।

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The correct answer is A. दूरी दोगुनी करनी होगी / Distance must be doubled.

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