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Why air bubbles in an aquarium get larger as they rise to the surface. Complete with diagrams.

If you observe the movement of fish in an aquarium very carefully you can find that the air bubbles formed due to the breathing increase in size as they ascend to the top surface. Can you explain why?

Subject:

Physics

Topic:

Other

Posting ID:

3207

OTA ID:

103080

View Details $1.99 Download Add to Cart

Air and balloon behaviour and characteristics. Complete with diagrams.

Two balloons one large and the other small, are filled with air. They are inter-connected. Immediately, air flows from the small balloon to the large instead of the other way round [as would be the case of water]. Explain.

Subject:

Physics

Topic:

Other

Posting ID:

3208

OTA ID:

103080

View Details $1.99 Download Add to Cart

Solving the problem when none or very little water is flowing through your tap. Complete with schematic diagrams.

You live in the ground floor of a high rise apartment block. The over head water tanks which supply water to all the apartments are situated on the rooftop. When water flow through the taps in your apartment is low, you go to inspect the water level in the tank on the rooftop. You check the water level in the tank and do the needful [get the tank filled]. How can you sort out the problem of checking the water level in the tank without going to the rooftop every time the water flow is low or water stops flowing?

Subject:

Physics

Topic:

Other

Posting ID:

3210

OTA ID:

103080

View Details $1.99 Download Add to Cart

Understanding the principle and workings of the aneroid barometer. Complete with a solution diagram.

Explain the principle of an aneroid barometer by using a schematic diagram or a scale model.

Subject:

Physics

Topic:

Other

Posting ID:

3211

OTA ID:

103080

View Details $1.99 Download Add to Cart

Converting units.

A hot air balloon contains 28 cu.cm of hot air in it. What is this volume expressed in cu. meters? [We come across several instances in our day to day life where it becomes essential to convert units from one system to another]. Mathematically, the problem is as follows: 28 cm^3 = ____ m^3 ?

Subject:

Physics

Topic:

Other

Posting ID:

3261

OTA ID:

103080

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