The ratio of the area covered by the second orbit to the first orbit is
a)1:2 b)1:16 c)8:1 d)16:1

Question

The ratio of the area covered by the second orbit to the first
orbit is
a)1:2 b)1:16 c)8:1 d)16:1

veena Vasandani · Accepted Answer

Answer is 16:1

Area of circle = πr2radius r of a shell α  n2ZTherefore, area, A α  π n4 (Z=1 for both in this caseFor first orbit,  n=1 and A α  n4 or 1For second orbit  n=2  and A α 16Area of second orbitArea of first orbitα 161

The ratio of the area covered by the second orbit to the first orbit isa)1:2 b)1:16 c)8:1 d)16:1

The ratio of the area covered by the second orbit to the first orbit is
a)1:2 b)1:16 c)8:1 d)16:1