COMEDK 2026 Morning Shift | Gravitation Question 3 | Physics

Two spheres of masses $M_1$ and $M_2$ are in air separated by a distance of d m . The gravitational force of attraction between them is $F$. If the space around the masses is filled with a liquid of density $\rho$, the force between the masses will be

$\frac{F}{\rho}$

$\rho F$

Zero

COMEDK 2026 Morning Shift

MCQ (Single Correct Answer)

-0

A body is projected vertically upwards from the surface of earth with a velocity ' $v$ ' to reach a height of $10 R$, where $R$ is the radius of the earth, then $v$ is

$\sqrt{\frac{21 \mathrm{gR}}{10}}$

$\sqrt{\frac{21 \mathrm{gR}}{11}}$

$\sqrt{\frac{20 \mathrm{gR}}{11}}$

$\sqrt{\frac{10 \mathrm{gR}}{11}}$

COMEDK 2025 Evening Shift

MCQ (Single Correct Answer)

-0

The unit of universal gravitational constant is :

$\mathrm{N} \mathrm{m}^2 \mathrm{~kg}^2$

$\mathrm{N} \mathrm{m}^{-2} \mathrm{~kg}^{-2}$

$\mathrm{N} \mathrm{m}^{-2} \mathrm{~kg}^2$

$\mathrm{N} \mathrm{m}^2 \mathrm{~kg}^{-2}$

COMEDK 2025 Evening Shift

MCQ (Single Correct Answer)

-0

If the distance between the Sun and Earth is doubled, then the duration of the year on earth will be :

[Given actual duration of the year $=\mathbf{T}$ ]

$2 \sqrt{2} T$

$\frac{T}{2}$

$\sqrt{\mathbf{2}} \boldsymbol{T}$

$\frac{T}{\sqrt{2}}$

PREVIOUS NEXT

COMEDK Subjects

Browse all chapters by subject

Chemistry

Physical Chemistry

Some Basic Concepts of Chemistry Atomic Structure States of Matter Thermodynamics Chemical Equilibrium Ionic Equilibrium Liquid Solution Redox Reactions Surface Chemistry Solid State Electrochemistry Chemical Kinetics Nuclear Chemistry

Inorganic Chemistry

Metallurgy Periodic Table and Periodicity Hydrogen and It's Compounds p-Block Elements Environmental Chemistry Coordination Compounds d and f Block Elements s-Block Elements Chemical Bonding and Molecular Structure

Organic Chemistry

IUPAC Nomenclatures General Organic Chemistry Isomerism Hydrocarbons Haloalkanes and Haloarenes Alcohol, Phenols and Ethers Aldehyde and Ketone Carboxylic Acids and Its Derivatives Compounds Containing Nitrogen Polymers Biomolecules Chemistry in Everyday Life Practical Organic Chemistry