Question

The ratio of the accelerations due to gravity on two planets P₁& P₂ is K₁, the ratio of their respective radii is K₂. The ratio of their respective escape velocities is –

• A.
• B. $\sqrt { 2 \mathrm {~K} _ { 1 } \mathrm {~K} _ { 2 } }$
• C. $\sqrt { \frac { \mathrm { K } _ { 1 } } { \mathrm {~K} _ { 2 } } }$
• D. $\sqrt { \frac { \mathrm { K } _ { 2 } } { \mathrm {~K} _ { 1 } } }$

Answer 1

Answer: (A)

Answer 2