Question 8 of 14advanced🔧 ApplyNumerical3 marks

If we stopped having leap years, in approximately how many years would the Indian Independence day happen in winter?

Correct Answer

If we stopped having leap years, the calendar would drift by approximately 0.25 days each year compared to the actual solar year.

Indian Independence Day (August 15) occurs in summer. To shift to winter (approximately 6 months or about 182 days away), it would take about 182 ÷ 0.25 = 728 years for Independence Day to occur in winter.

Exercise: Keep the curiosity alive | Q: 10 | (Page Page 19)
For More Understanding

Explanation

The chapter explains that the Earth takes nearly 365 and a quarter days to complete one revolution around the Sun. Without leap years, we would not account for the extra quarter day each year. This causes the calendar to drift by about 0.25 days per year. To shift a date by 6 months (half a year, approximately 182 days), we divide 182 by 0.25 to get approximately 728 years.

Solution Steps

  1. Step 1: The Earth takes approximately 365.25 days to orbit the Sun

  2. Step 2: Without leap years, the calendar loses 0.25 days of accuracy each year

  3. Step 3: To shift from summer (August) to winter, we need approximately 6 months shift = about 182 days

  4. Step 4: Number of years = 182 days ÷ 0.25 days/year = 728 years

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