Uses of Gold leaf Electroscope
To detect a charge on a rod 'A' or 'B' bring the rod near to the metallic disc or cap of the electroscope. In either case the leaf diverges as shown in the diagra..
Uses of Gold leaf Electroscope
Detection of charge - To detect a charge on a rod 'A' or 'B' bring the rod near to the metallic disc or cap of the electroscope. In either case the leaf diverges as shown in the diagra..
Detection of charge - To detect a charge on a rod 'A' or 'B' bring the rod near to the metallic disc or cap of the electroscope. In either case the leaf diverges as shown in the diagra..a. Will the entire leaf be blue-black?
No, the portion covered by the strip of metal foil will not be blue-blac..
To Prove that Light is Required for Photosynthesis
Take a potted plant and destarch it by keeping it in darkness for 24 hours. To one of the leaves attach a piece of metal foil or paper on both sides. Leave the plant in sunlight for 48 hours. Then take the leaf and remove its metal foil. Decolourise the leaf..
Harmful effects of SO2
SO 2 is poisonous and irritates the respiratory system of animals and humans. A continuous exposure to concentration of 0.2 ppm lasting for 3-4 days or even 0.5ppm for full day has been reported to damage the lungs and increase the rate of mortality. In plants and grasses, SO 2 also produces ..
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