Question

24. a magician during a show makes a glass les =1.47 disappears in a trough of liquid. What is the refractive index of the liquid? Could the liquid be the water

Answer 1

Forests are called the green lungs. This is because plants in forests release oxygen through the process of photosynthesis and help in providing oxygen to animals for respiration. Plants consume carbon dioxide released by the animals. In this way, plants help in maintaining a balance of oxygen and carbon dioxide in atmosphere.

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