यदि दूरी एक तिहाई कर दी जाए तो कूलॉम बल कितना होगा?

If distance is made one third, what happens to Coulomb force?

Explanation opens after your attempt
Correct Answer

B. नौ गुना / Nine times

Step 1

Concept

Force is inversely proportional to square of distance.

Step 2

Why this answer is correct

If distance becomes one third, its square becomes one ninth.

Step 3

Exam Tip

Therefore force becomes nine times. चरण 1: बल दूरी के वर्ग के व्युत्क्रम अनुपात में होता है। चरण 2: दूरी एक तिहाई होने पर दूरी का वर्ग एक नौवाँ होगा। चरण 3: इसलिए बल नौ गुना होगा।

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