Download App

Gravitation — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceGravitation1 Mark
Question
State the Kepler’s law which is represented by the relation $\text{r}^3\propto\text{T}^2.$
✓

Answer

Kepler’s law of periods states that: The cube of the mean distance of a planet from the sun is directly proportional to the square of time it takes to move around the sun.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "One word answer." from Gravitation→Gravitation — all question types→Science STD 9 question papers→Gujarat Board STD 9 question papers→Gujarat Board question paper generator→

Similar questions

Write the common unit of density.

→
Name the temperature at which:
A liquid changes into a gas.
→
What is the general name of the process by which tea-leaves are separated from prepared tea?
→
What is the shape of a soundboard kept behind the speaker on the stage of a big hall?
→
Name any two elements whose symbols do not start with the same letter as that of the name of the element.
→
Give the names and symbols of five familiar substances which you think are elements.
→

Name and draw a cell which does not a well-defined nuclear region. Label any for parts.

→
For the symbols H, D and T, write the subatomic particles (protons, neutrons and electrons) found in each one of them.
→
What name is given to those elements which are neither good conductors of electricity like copper nor insulators like sulphur?
→
Which of the following travels slowest in air and which one fastest?
Supersonic aircraft, Light, Sound.
→