MCQ
The ratio of escape velocity at earth $\left( v _{ e }\right)$ to the escape velocity at a planet $\left( u _{ p }\right)$ whose radius and mean density are twice as that of earth is:
- A$1: 2 \sqrt{2}$
- B$1: 4$
- C$1: \sqrt{2}$
- D$1: 2$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| List $I$ | List $II$ |
| $P.$ Boltzmann constant | $1.$ $\left[ ML ^2 T ^{-1}\right]$ |
| $Q.$ Coefficient of viscosity | $2.$ $\left[ ML ^{-1} T ^{-1}\right]$ |
| $R.$ Planck constant | $3.$ $\left[ MLT ^{-3} K ^{-1}\right]$ |
| $S.$ Thermal conductivity | $4.$ $\left[ ML ^2 T ^{-2} K ^{-1}\right]$ |
Codes: $ \quad \quad P \quad Q \quad R \quad S $