Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Physics Gravitation Escape speed
The escape velocity 'v' of a planet is related to its mean density 'ρ' as -
1
v ∝ ρ
2
v ∝ √ρ
3
v ∝ ρ-2
4
More than one of the above
5
None of the above