5. The internal energy of a gas may be changed by Elaps doing work on the gas ad

Question

5. The internal energy of a gas may be changed by Elaps doing work on the gas adding heat to the gas either doing work on the gas or adding heat to the gas none of these 6.A drinking glass contains water 10 cm deep, and a bathtub also contains water 10 cm deep. The pressure at the bottom of the glass is bathtub the pressure at the bottom of the greater than less than O equal to I.An object is placed in front of a lens. The lens produces an image as shown in the diagram image object ns From the relative positions of the object and image, we can see that the lens is diverging neither converging nor diverging either converging or diverging converging 8. In a radioactive decay, the sum of the masses of the the mass of the initial nucleus products is less than greater than O equal to

Explanation / Answer

5) internal energy can be changed by either doing work on the gas or adding heat.

So, the third option is correct.

6) Pressure is equal in both cases as it depends only on height. Correct option is the third one.

7) For a converging lens, virtual image is always behind the object. So it's a converging lens.

8) sum of product mass is less than the mass of initial nucleus.

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