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Yogita Ingle 6 years ago
Profit(P)
The amount gained after selling a product more than its cost price.
Profit or Gain = Selling price – Cost Price
Loss(L)
The amount, the seller gets after selling the product less than its cost price, is mentioned as a loss.
Loss = Cost Price – Selling Price
Posted by Naman Ahden 6 years ago
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Yogita Ingle 6 years ago
Iron when reacted with both water and oxygen which present in air (moist air), corrodes. Its silvery colour changes to a reddish-brown, because hydrated oxides are formed which is commonly called as rust.
The chemical formula for rust is Fe2O3.nH2O.
Posted by Anoop Kumar 6 years ago
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Yogita Ingle 6 years ago
- A rainbow is an arch of seven colours and is produced by the dispersion of the Sun’s light by tiny raindrops present in the atmosphere.
- The observer receives only one colour from the raindrop at a time.
- The red rays from the drops make a certain angle with the eye line joining the Sun and the observer.
- So, all water drops which appear red will make the same angle with the line of vision.
- Hence, they will appear in the form of an arc of a circle with its centre on the eye line.
- The other colours also appear in a similar manner.
- Red rays make an angle of 42.8° with the line of vision and is seen on the outer edge of the rainbow.
- Violet rays make an angle of 40.8° with the line of vision and is seen on the inner edge of the rainbow.
- Thus, the rainbow appears in the form of a bow or a semi circle
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Gaurav Seth 6 years ago
The woods of coniferous forest are useful for making pulp, which is used for manufacturing paper and newsprint. Match boxes and packing boxes are also made from softwood. Chir, pine, cedar are the important variety of trees in these forests.
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Yogita Ingle 6 years ago
Similarities Both thermometers are used to measure temperature and both of them use mercury. Differences Clinical thermometer is used to measure human body temperature whereas laboratory thermometer is used to measure temperature of other object which has higher temperature than human body temperature.
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Yogita Ingle 6 years ago
If a man walks 20m in 1 minute
Then time he take to cover 8000 m = 8000/20 = 800/2 = 400 minute
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Tanya Gupta 6 years ago
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