If the earth be in half of its distance from the Sun, how many days will be in one year?

Question

If the earth be in half of its distance from the Sun, how many days will be in one year?, 183, 730, 129, 365

MARKS App · Accepted Answer

According to Kepler's laws T 2 ∝ R 3 When R 2 = R 1 2 T 2 2 T 1 2 = R 1 2 3 × 1 R 1 3 = R 1 3 8 × 1 R 1 3 = 1 8 T 2 2 T 1 2 = 1 8 ⇒ T 2 = T 1 2 2 = 365 2 × 1.414 T 2 = 129 d a y s

Search any question & find its solution

Looking for more such questions to practice?