Download App

Gravitation — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceGravitation2 Marks
Question
What is meant by the term ‘buoyancy’?
✓

Answer

The tendency of a liquid to exert an upward force on an object placed in it, is called buoyancy.

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 "Que-Ans (Each of 2 Mark )" from Gravitation→Gravitation — all question types→Science STD 9 question papers→Gujarat Board STD 9 question papers→Gujarat Board question paper generator→

Similar questions

What are the two types of pure substance? Give one example of each type.
→
Classify the following into elements, compounds and mixtures:
Marble, Air, Gold, Brass, Sand, Diamond, Graphite, Petroleum, Common salt, Sea-water, chalk.
→

Two children are at opposite ends of an aluminium rod. One strikes the end of the rod with a stone. Find the ratio of times taken by the sound wave in air and in aluminium to reach the second child.

→

How is oxygen replenished in nature?

→
An element Z contains two naturally occurring isotopes $^{35}_{17}\text{Z}\text{ and }^{37}_{17}\text{Z}.$ If the average atomic mass of this element be 35.5u, calculate the percentage of two isotopes.
→
Give two examples of cartilage.
→
Differentiate between the following:
Capture fishery and Culture fishery.
→
A sound signal of 128 vibrations per second has a wavelength of 2.7m. Calculate the speed with which the wave travels.
→
The tip of seconds’ hand of a dock takes 60 seconds to move once on the circular dial of the clock. If the radius of the dial of the clock be 10.5cm, calculate the speed of the tip of the seconds’ hand of the clock. $\Big(\text{Given}\pi=\frac{22}{7}\Big).$
→

List one denitrifying bacteria.

→