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Ask QuestionPosted by Krishna Gopal 5 years, 7 months ago
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Satyam Chaubey 5 years, 7 months ago
Aryan Upadhyay 5 years, 7 months ago
Posted by Rameshwar Pawar 5 years, 7 months ago
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Meghna Thapar 5 years, 5 months ago
A mixture is made up of two or more pure substances in which each substance or component retains its original properties. The main components present in some common mixtures are:
- A cup of tea is a mixture of water, sugar, milk and tea leaves extract.
- Milk is a mixture of cream in a watery liquid.
- Sea-water is a mixture of water, common salt, and various other salts dissolved in it.
The reasons for separating mixtures into their components:
- To remove undesirable component.
- To remove a harmful component.
- To obtain the pure sample of a substance.
- To obtain a useful component.
Posted by Akash Kumar Sharma 5 years, 7 months ago
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Meghna Thapar 5 years, 6 months ago
When body going vertically upwards, reaches at the highest point, then it is momentarily at rest and it then reverses its direction. At the highest point of motion, its velocity is zero but its acceleration is equal to acceleration due to gravity. There are three ways an object can accelerate: a change in velocity, a change in direction, or a change in both velocity and direction.
Posted by Baisakhu Majhi 5 years, 7 months ago
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Souvik Dey 5 years, 7 months ago
Sudhanshu Kathale 5 years, 7 months ago
Posted by Tannu Mourya 5 years, 7 months ago
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Yogita Ingle 5 years, 7 months ago
Translational motion is the motion by which a body shifts from one point in space to another. One example of translational motion is the the motion of a bullet fired from a gun. An object has a rectilinear motion when it moves along a straight line.
Posted by Piyush Panda 1 year, 4 months ago
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Yogita Ingle 5 years, 7 months ago
Seeds kept in the the refrigerator do not germinate .Due to change in the temperature inside the refrigerator.Seeds do not start germinating due to unfavourable temperature within the refrigerator as it cools the thing puted inside and have low temperatures.
Posted by Chintu Kumar 5 years, 7 months ago
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Pavni Wadhwa 5 years, 7 months ago
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Yogita Ingle 5 years, 7 months ago
| Elements are pure substances which are composed of only one type of atom. | Compound are substances which are formed by two or more different types of elements that are united chemically in fixed proportions. |
| There are nearly 118 elements (at present) of which nearly 94 occur naturally on Earth. | Compounds are almost endless. |
| Elements are classified as either metals, nonmetals or metalloids. | Compounds are classified according to their bonds which can be ionic, molecular or metallic. |
| Some of the examples of elements are Iron, Copper, Gold, etc. | A few examples of compou |
Posted by Piyush Panda 5 years, 7 months ago
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Posted by Rameshwar Pawar 5 years, 7 months ago
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Unnati Kumawat 5 years, 7 months ago
Yogita Ingle 5 years, 7 months ago
The best way to separate cream from the milk is through the process of centrifugation. The sample milk is rotated into the centrifuge.At very high speed.In this way the denser particles settles at the bottom and the lighter ones float over the surface and cream being lighter than milk will float on the top and can be easily extracted out of the milk and can be separated easily.
Posted by $¡Dh@Rth M○Nd@L 5 years, 7 months ago
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Yogita Ingle 5 years, 7 months ago
|
Symbol |
Definition |
Nature of Value |
Unit |
|
Acceleration due to gravity |
g |
The acceleration experienced by a body under free fall due to the gravitational force of the massive body |
Changes from place to place. Acceleration due to gravity of earth is 9.8m/s2 |
m/s2 |
Universal Gravitational Constant |
G |
The force of attraction between two objects with unit mass separated by unit distance at any part of this universe. |
Constant at any point in this universe. G = 6.673×10-11Nm2/kg2 |
Nm2/kg2 |
Posted by Shaurya Mittal S0009512 5 years, 7 months ago
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Posted by Jyotiraditya Mishra 5 years, 7 months ago
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$¡Dh@Rth M○Nd@L 5 years, 7 months ago
Posted by Prithvi Raj Sahu 5 years, 7 months ago
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Yogita Ingle 5 years, 7 months ago
Factors of production:
Land: It is defined so as to include not only the surface of the Earth but also all the other gifts of nature.
Labour: Labour consists of all human efforts of the body or mind which are undertaken in the expectation of reward.
Capital: Capital is known as the produced means of production. First, it is created by man and is not a gift of nature. Second, it is a means of production and used as an input in producing other goods. Such type of goods is not directly consumed.
Human Capital:A human capital is a person who carries the risk of business and coordinates the activities of all the other factors of production.
Out of all the four factors of production, human capital is considered the best among all the resources. This is because it makes use of the other resources like land, labour and physical capital to produce an output while the other resources cannot become useful on their own.
Posted by Ranju Kumari 5 years, 7 months ago
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$¡Dh@Rth M○Nd@L 5 years, 7 months ago
Posted by Neelay Jain 5 years, 7 months ago
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Yogita Ingle 5 years, 7 months ago
MERISTEMATIC TISSUE
- These are living tissues which are composed of immature cells that are capable of division throughout life.
- These tissues are found in growing regions of plants.
- Cells have a thin cell wall.
- Cells contain dense cytoplasm and do not have vacuoles.
- Cells contain prominent and large nucleus.
Mansi Mujage 5 years, 7 months ago
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Renu Das 5 years, 7 months ago
Posted by Tiya Khandelwal 5 years, 7 months ago
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Yogita Ingle 5 years, 7 months ago
The average velocity of an object is its total displacement divided by the total time taken. In other words, it is the rate at which an object changes its position from one place to another. Average velocity is a Vector quantity. The SI unit is meters per second. However, any distance unit per any time unit can be used when necessary, such as miles per hour (mph) or kilometer per hour (kmph).
Posted by Kartikey Singh Chauhan 5 years, 7 months ago
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Posted by Jitendra Yadav 5 years, 7 months ago
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Yogita Ingle 5 years, 7 months ago
- An object orbiting around the sun, earth or any other colossal body is known as a satellite. There are two major types of categorization when it comes down to satellites, one is natural and the other is man-made.
- Some of the examples of natural satellites are planets, moons, and comets. Jupiter has 67 natural satellites. The earth has one permanent natural satellite, the moon we know, which causes the tides in the sea. Sometimes other objects (like asteroids) can enter into temporary orbits of the earth and become a natural satellite for a span.
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Isha Sharma 5 years, 7 months ago
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