Satellite Communication
It is mainly done through geostationary satellites. These satellites are fitted with special devices. These devices can receive signals from an Earth station and transmit them again in different directions. These special devices are called transponders. A TV transmitter on an Earth station transmit..
Herbaria
: Here, the number of specimens preserved is about 5,000,000. fig. 11.3 - Museum of National dHistorie Naturelle Central National Herbarium, Calcutta: It is the largest herbarium in our country with collection of about 1,000,000 specimens. Herbarium of forest Research Institute, Dehradun: Here, abo..
: Here, the number of specimens preserved is about 5,000,000. fig. 11.3 - Museum of National dHistorie Naturelle Central National Herbarium, Calcutta: It is the largest herbarium in our country with collection of about 1,000,000 specimens. Herbarium of forest Research Institute, Dehradun: Here, abo..Herbaria
: Here, the number of specimens preserved is about 5,000,000. fig. 11.3 - Museum of National dHistorie Naturelle Central National Herbarium, Calcutta: It is the largest herbarium in our country with collection of about 1,000,000 specimens. Herbarium of forest Research Institute, Dehradun: Here, abo..
: Here, the number of specimens preserved is about 5,000,000. fig. 11.3 - Museum of National dHistorie Naturelle Central National Herbarium, Calcutta: It is the largest herbarium in our country with collection of about 1,000,000 specimens. Herbarium of forest Research Institute, Dehradun: Here, abo..Summary Relations and Functions
A pair of objects, written in a specified order is called an ordered pair . A pair of objects, written in a specified order is called an ordered pair . For the ordered pair (a,b), a is called the first element and b, the second element. The ordered pairs (a,b) and (c,d) are equal if th..
A pair of objects, written in a specified order is called an ordered pair . A pair of objects, written in a specified order is called an ordered pair . For the ordered pair (a,b), a is called the first element and b, the second element. The ordered pairs (a,b) and (c,d) are equal if th..Summary
Reproduction is defined as the production of individuals of the same species, that is the next generation of the species. There are basically two types of reproduction - asexual and sexual. Asexual reproduction involves only one parent and the offspring is genetically similar to the parent. Sex..
Reasons for Mendel's Success
Many scientists earlier to the period of Mendel had attempted breeding experiments in both plants and animals. However, most of them failed to arrive at any specific conclusions or principles to explain the pattern of inheritance. In fact, many of these scientists did not even keep precis..
Artificial Speciation
New species can be created by domesticated animal husbandry for better and yield. For example, a new species of domestic sheep were created by hybridisation that no longer produced viable offspring with the parent species. Domestic cattle on the other hand, with several varieties such as..
New species can be created by domesticated animal husbandry for better and yield. For example, a new species of domestic sheep were created by hybridisation that no longer produced viable offspring with the parent species. Domestic cattle on the other hand, with several varieties such as..Note:
Closure is obvious from the tables, since the results of each operation is either 1 or 0. Also observe from the tables: (a) 0 + 0 = 0, 0 + 1 = 1 + 0 = 1 0 is the identity w.r.t +. (b) 1.1 = 1, 1.0 = 0.1 = 0 1 is the identity w.r.t . For 0, 1 B, 0 + 1 = 1 + 0 0 . 1 = 1 . 0 ..
Closure is obvious from the tables, since the results of each operation is either 1 or 0. Also observe from the tables: (a) 0 + 0 = 0, 0 + 1 = 1 + 0 = 1 0 is the identity w.r.t +. (b) 1.1 = 1, 1.0 = 0.1 = 0 1 is the identity w.r.t . For 0, 1 B, 0 + 1 = 1 + 0 0 . 1 = 1 . 0 ..Exhaustible Natural Resources
Natural resources that are limited in nature and are liable to be degraded in quantity and quality by human activities are exhaustible natural resources. Examples are forests, soil, wild animals, minerals, fossil fuels etc. The understanding of the environment and its proper conservation..
Helium - Neon Gas Laser
The figure shows the elements of a type of laser that is often found in student laboratories. The glass discharge tube is filled with a 80%-20% mixture of the inert gases helium and neon. Helium is the "pumping" medium and neon is the "lasing" medium. The above figure is a simplified version of the..
The figure shows the elements of a type of laser that is often found in student laboratories. The glass discharge tube is filled with a 80%-20% mixture of the inert gases helium and neon. Helium is the "pumping" medium and neon is the "lasing" medium. The above figure is a simplified version of the.. Result
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