PostsCommentsPayoutsshahzaibad (54)in #physic • 6 days agoLength Measuring Instrument Length measuring Instrument Photo taken via notebook. 1. Meter rule: Meter rule is used generally laboratory to measure length. It can measure length up to (1 mm.) Least count:Least count is the smallestshahzaibad (54)in FreeCompliments • last monthCHEMISTRYCHEMISTRY Photo taken via notebook. 1. Element: Element is the simplest form of matter. It is a pure substance containing same kind of atoms. Properties: Element may be metal and non-metal. Element mayshahzaibad (54)in FreeCompliments • last monthPHYSICSPHYSIC Photo taken via notebook: 4. Non-Physical Quantities: The quantities that cannot be measured directly and indirectly by using same tools and instruments. Example: Fear, Wisdom, Beauty etc. Note:shahzaibad (54)in #science • last monthPHYSICSPHYSICS Photo taken via notebook. 1. Base Physical Quantities: A quantity which can be expressed independently without the reference of any other quantitiy. Example; Length, Mass and time etc. 2. Derivedshahzaibad (54)in FreeCompliments • 2 months agoBRANCHES OF CHEMISTRYPhoto taken via notebook. 9. GEO CHEMISTRY: The study of chemical composition of earth and its source and minerals is called Geo chemistry. Note: Today we use geochemistry in environmental, monitring forestryshahzaibad (54)in FreeCompliments • 2 months agoBRANCHES OF CHEMISTRYBranch of Chemistry Photo taken via notebook 7. Nuclear Chemistry: Nuclear chemistry which deals with the reaction taking place in nucleus of an atom. It deals with radioactivity, nuclear processes andshahzaibad (54)in FreeCompliments • 2 months agoBRANCHES OF CHEMISTRYPhoto taken via notebook 4. Environmental Chemistry: It is the scientific of the chemical and biochemical phenomenon that occurs is this planet. NOTE: It helps in understanding the causes, effect and solutionshahzaibad (54)in FreeCompliments • 2 months agoBRANCHES OF CHEMISTRYBRANCHES OF CHEMISTRY Photo taken via my notebook. 1. Physical chemistry: This branch investigate how substance behave at atomic or molecular levels. Note: It is also used to predict and changes the ratesshahzaibad (54)in #chemistry • 2 months agoCHEMISTERYCHEMISTRY:Chemistry is the branch of science which deals with the properties, composition and structure of substance. Note: It also deals with the physical and chemical changes in matter and the laws orshahzaibad (54)in FreeCompliments • 2 months agoBASE & ALKALI BASE & ALKALIS Many compounds have properties which are contrary to acids. Such compounds are termed as bases. The bases which are soluble in water are called alkalis.The word alkali has been takenshahzaibad (54)in FreeCompliments • 3 months agoACIDS The word Acid is derived from Latin word acidus means sour. In chemistry the term acid has been used to name a group of compounds that have sour taste. Acids are defined as the compounds which produceshahzaibad (54)in FreeCompliments • 3 months agoUSES OF SALTS1:- Role of salt in human body. Salt odf sodium, potassium, calcium, magnesium and iron are needed for the normal working of our body. They perform the following functions: (a) Sodium and potassium saltshahzaibad (54)in FreeCompliments • 3 months agoSALTSWhat is Salts? A Salt is a compound found by the neutralization of an acid with a base. A large variety of compounds exists as salts. Sodium chloride is a common salt which are use in our food. Some commonshahzaibad (54)in FreeCompliments • 3 months agoPHASE OF MEIOSIS TYPEPHASE OF MEIOSIS TYPE The exchange of segments result in the recombination of genetic information. After crossing over, each pair of homologous chromosomes remain as a bivalent. In 1911, the Americanshahzaibad (54)in FreeCompliments • 4 months agoMEIOSISMEIOSIS Meiosis is the process by which one diploid (2n) eukaryotic cell divides to generate four haploid (1n) daughter cells. Dipliod means the cells in which chromosomes are in pairs (homologous pair)shahzaibad (54)in FreeCompliments • 4 months agoMemories of 2024 & Wishes for 2025Memories of 2024 2024 Hello Everyone Last year 2024, my friends and I had a lot of fun. Last year, my friends and I learned a lot and last year, our school organized a trip to Rana Resort Park. I willshahzaibad (54)in FreeCompliments • 4 months agoERRORS IN MITOSISERRORS IN MITOSIS Errors in the control of mitosis may cause cancer. All cells have genes that control the timing and number of mitosis. Sometimes mutation occurs in such genes and cells continue to divide.shahzaibad (54)in #cell • 4 months agoCELL REPLACEMENTCELL REPLACEMENT:In some parts of body example skin and digestive tract, cells are constantly sloughed off and replaced by new ones. New cells are formed by mitosis and so are exact copies of the cellsshahzaibad (54)in #heart • 4 months agoHEART RATE AND PULSE RATEHEART RATE AND PULSE RATE Heart rate is the number of times the heart beats per minute. Activities, the normal heart rate is 70 times [per minute in men and 75 times per minute in woman. the heart rateshahzaibad (54)in #atherosclerosis • 4 months agoATHEROSCLEROSIS AND ARTERIOSCLEROSISATHEROSCLEROSIS AND ARTERIOSCLEROSIS Atherosclerosis and arteriosclerosis are the diseases of arteries. These diseases also lead to heart diseases. Atherosclerosis is commonly referred to as a
