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Concepts Of Physics MCQ Edition [Volume 1]
Exam
Concepts Of Physics MCQ Edition [Volume 1]
Subject
Physics
Chapter
Introduction to Physics

Concepts Of Physics MCQ Edition [Volume 1] · Physics · Introduction to Physics

The normal duration of an I.Sc. Physics practical period in Indian...

The normal duration of an I.Sc. Physics practical period in Indian colleges is 100100 minutes. Determine this period in microcenturies, given that 1 microcentury=10−6×100 years1 \text{ microcentury} = 10^{-6} \times 100 \text{ years}.

Options

  1. A5.3 microcenturies5.3 \text{ microcenturies}
  2. B0.5 microcenturies0.5 \text{ microcenturies}
  3. C1.9 microcenturies1.9 \text{ microcenturies}
  4. D3.8 microcenturies3.8 \text{ microcenturies}

Correct answer

C. 1.9 microcenturies1.9 \text{ microcenturies}

Step-by-step solution

1 microcentury=10−6×100 years=10−4 years1 \text{ microcentury} = 10^{-6} \times 100 \text{ years} = 10^{-4} \text{ years}

1 year=365 days=365×24×60 minutes=525600 minutes1 \text{ year} = 365 \text{ days} = 365 \times 24 \times 60 \text{ minutes} = 525600 \text{ minutes}

1 microcentury=10−4×525600 minutes=52.56 minutes1 \text{ microcentury} = 10^{-4} \times 525600 \text{ minutes} = 52.56 \text{ minutes}

Duration of the period=100 minutes\text{Duration of the period} = 100 \text{ minutes}

Duration in microcenturies=10052.56≈1.9 microcenturies\text{Duration in microcenturies} = \dfrac{100}{52.56} \approx 1.9 \text{ microcenturies}
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