एक आवेशित कण जिसका आवेश \(1.6 \mu \mathrm{C}\) और द्रव्यमान \(16 \mu \mathrm{~g}\) है, 6.28 T के एक प्रबल चुंबकीय क्षेत्र में उपस्थित है। कण को फिर चुंबकीय क्षेत्र के लंबवत दागा जाता है। कण द्वारा पहली बार मूल स्थान पर लौटने में लगा समय ________ S है। \((\pi=3.14)\)

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.