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Ask QuestionPosted by Madhu Priya 7 years, 10 months ago
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Posted by Harshit Gupta 7 years, 10 months ago
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Yogita Ingle 7 years, 10 months ago
Land transport is the transport or movement of people, animals, and goods from one location to another on land. The two main forms of land transport are rail transport and road transport. Bullock-carts, lorries, trucks, buses, etc., are the means of road transport. Railways play a crucial role in the promotion of trade and industry in India. They carry consignments of different nature ranging from fruits and fish to coal and steel to different parts of the country.
Posted by Abhiraj Rajput 7 years, 10 months ago
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Yogita Ingle 7 years, 10 months ago
Snell’s law is defined as “The ratio of the sine of the angle of incidence to the sine of the angle of refraction is a constant, for the light of a given colour and for the given pair of media”. Snell’s law formula is expressed as:
{tex}\frac{sin\;i}{\sin\;r}\;=constant{/tex}
Where i is the angle of incidence and r is the angle of refraction. This constant value is called the refractive index of the second medium with respect to the first.
Posted by Abhiraj Rajput 7 years, 10 months ago
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Navdha Kabra 7 years, 10 months ago
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Ayush Kumar Singh 7 years, 10 months ago
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Yogita Ingle 7 years, 10 months ago
Food is needed by all organisms for many purposes:
(a) The main function of food is to help in growth.
(b) Food provides energy for movements such as running, walking or raising our arm.
(c) Food is also needed for replacement and repairing damaged parts of body.
(d) Food gives us resistance to fight against diseases and protects us from infections.
Posted by Apaar Gandhi 7 years, 10 months ago
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Kaustubha Mishra 7 years, 10 months ago
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Yogita Ingle 7 years, 10 months ago
Natural fibres: The fibres which are obtained from plants and animals are called natural fibers. Examples: cotton, jute, silk, wool.
Synthetic fibre: The fibre which are synthesized in industry from simple chemicals obtained from petroleum are called synthetic fibre. Examples: Nylon, Acrylic, Polyester
Posted by Pradeep Kadam 7 years, 10 months ago
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Posted by Nikita Fartyal 7 years, 10 months ago
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Yogita Ingle 7 years, 10 months ago
- Root: We eat root of radish, carrot, turnip, potato, sweet potato, beet, etc.
- Stem: In certain plants the stem grows underground and store the food. Ginger, potato, and onion are stems of plants in which food is stored. So, we eat stem of ginger, potato, onion, etc.
- Leaf: Spinach, Lettuce, Trigonella, etc. We eat leaves of these plants.
- Fruits: Guava, apple, banana, mango, papaya, orange, etc. We eat fruits of these plants.
- Oilseeds: Seeds of many plants are used to extract oil. For example Mustard oil is extracted from seeds of mustard plant. Similarly sunflower oil, coconut oil, groundnut oil, soyabean oil, etc. are obtained from seeds of respective plants.
Posted by Aryan Verma 7 years, 10 months ago
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Yogita Ingle 7 years, 10 months ago
1) Buy only what you need in absolute quantities.
2) Try to avoid storing foods in large amounts.
3) Try to eat food only when you are hungry. So eat fresh and stay healthy.
4) Try to organise your kitchen such a way that everything becomes visible to you. So you know what is there and can avoid buying the same thing in excess amounts.
5) If you can’t finish your food completely, try to share it with someone before you start eating.
Posted by Harshita Kumari 7 years, 10 months ago
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Abhiraj Rajput 7 years, 10 months ago
Posted by Nitin Sharma 7 years, 10 months ago
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Posted by Aryan Shivhare 7 years, 10 months ago
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Yogita Ingle 7 years, 10 months ago
Energy is the capability of doing work. Energy can neither be created nor be destroyed, but can be converted from one form to another. Sun is prime source of energy and its energy is converted to different forms . The SI unit of energy is same as that of work, i.e. Joules (J) which is nothing but a term for newton-meter. When a certain amount of force (newton) is applied to a object and it moved certain distance (meters), then the energy applied is said to be Joules (newton-meter).
Posted by Amritpal Kaur Sidhu 7 years, 10 months ago
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Meghna Thapar 5 years, 11 months ago
- Metals have a shining surface. This property is called metallic lustre. Hence, metals are lustrous.
Posted by Ash Kechum 7 years, 10 months ago
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Yogita Ingle 7 years, 10 months ago
A torch bulb is made up of spherical glass which is attached to a metallic base. There is a filament inside the bulb. The filament is attached to two wires. One of the wires is attached to the metallic base of the bulb. Another wire is attached to the side of the metallic portion of the bulb. The side of the bulb is the negative pole, while the bottom is the positive pole.
Connecting the torch bulb to the cell: For this, you need to attach the wires to the two ends of the cell. The positive pole of the cell should be connected to the positive terminal of the bulb. Similarly, the negative pole of the cell should be connected to the negative terminal of the bulb.
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Posted by Netik Netik Kumar 7 years, 10 months ago
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Yogita Ingle 7 years, 9 months ago
(a) The main function of food is to help in growth.
(b) Food provides energy for movements such as running, walking or raising our arm.
(c) Food is also needed for replacement and repairing damaged parts of body.
(d) Food gives us resistance to fight against diseases and protects us from infections.
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Yogita Ingle 7 years, 10 months ago
Jute is a natural plant fibre obtained from jute plant . Since jute is uneven in nature and posses rough surface so it is not used for making cloths, but using to make gunny bags, shopping bags, ropes, curtains, and carpets etc.
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