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Ask QuestionPosted by Aayushi Attri 5 years, 8 months ago
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Prince Prajapati 5 years, 10 months ago
Prince Prajapati 5 years, 10 months ago
Prince Prajapati 5 years, 10 months ago
Prince Prajapati 5 years, 10 months ago
Prince Prajapati 5 years, 10 months ago
AทŲℑ Ï 5 years, 10 months ago
Aayushi Attri 5 years, 10 months ago
Aayushi Attri 5 years, 10 months ago
Aayushi Attri 5 years, 10 months ago
Aayushi Attri 5 years, 10 months ago
Emogi Girl? 5 years, 10 months ago
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Aayushi Attri 5 years, 10 months ago
Emogi Girl? 5 years, 10 months ago
Emogi Girl? 5 years, 10 months ago
Aayushi Attri 5 years, 10 months ago
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Yogita Ingle 5 years, 10 months ago
Friedel Crafts alkylation reaction can be explained as the alkylation of an aromatic ring using an alkyl halide in presence of a strong Lewis acid which acts as a catalyst. In the following given reaction, AlCl3 is used as a catalyst and the aromatic ring taken is benzene.
Posted by Vinay Mittal 5 years, 10 months ago
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Yogita Ingle 5 years, 10 months ago
Power is defined as rate of doing work.
Power= work done/ time taken
Power = energy consumed/ timetaken
Since when work is done, an equal amount of energy is consumed.
S.I unit of power is Watt.
1 watt= 1 joule/ 1 Second.
1 watt is the power of an appliances which consumes energy at the rate of 1 joule per second.
Posted by Prince Prajapati 5 years, 10 months ago
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Aayushi Attri 5 years, 10 months ago
Aayushi Attri 5 years, 10 months ago
Aayushi Attri 5 years, 10 months ago
Aayushi Attri 5 years, 10 months ago
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Prince Prajapati 5 years, 10 months ago
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Yogita Ingle 5 years, 10 months ago
Hydrotropism is a stimulus directed movement of the plants towards the environmental moisture.
To demonstrate this phenomenon we can do the following experiment:
1) First take a plastic tub with some depth.
2)Fill the tub with soft and dry mud.
3)Then plant a sapling in the tub's right edge.
4) Sprinkle water in the tub's left portion's mud for few weeks.
5)Then take out the sapling from the mud.
6) The roots of that sapling are bended towards the left direction where we sprinkled water.
Posted by Dimple Rana 5 years, 10 months ago
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Posted by Jap Purba 5 years, 10 months ago
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Yogita Ingle 5 years, 10 months ago
I beams have very high moment of inertia for the same volume of the given material. So they have high stability in case of bending moments. The two horizontal parts (called flanges) of the I beam can bear high bending and shearing stress.
That means they do not get twisted and tilted easily. That is why they are used in girders, and as rails on the railway tracks.
Posted by Jap Purba 5 years, 10 months ago
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Yogita Ingle 5 years, 10 months ago
kilowatt hour = 1000watt hour
= 100 × 60 × 60 watt sec
= 3.6 × 10⁶ J [∵ watt = j/s so, watt.sec = j]
hence, kilowatt hour = 3.6 × 10⁶ J
now, electron volt ,eV = 1.6 × 10⁻¹⁹ C.volt
= 1.6 × 10⁻¹⁹ J [ ∵ 1volt = 1J/C so, C.volt = J ]
hence, eV = 1.6 × 10⁻¹⁹ J
Posted by Jap Purba 5 years, 10 months ago
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Prince Prajapati 5 years, 10 months ago
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