If at a height above Earth’s surface equals at a certain depth below the surface

PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

g

at a height

h = 1.0\,\text{km}

above Earth’s surface equals

g

at a certain depth

d

below the surface, the value of

d

is (a)

1.0\,\text{km}

(b)

0.5\,\text{km}

(c)

2.0\,\text{km}

(d)

1.9\,\text{km}