Chemistry’s, physics, biology, maths

🌀Notes on Special Theory of Relativity:- Frame of reference:- A system of coordinates whose axes can be suitably chosen is said to be a frame of reference. Inertial frame:- A frame of reference either at rest or moving with a uniform velocity (zero acceleration) is known as inertial frame. Non-inertial or accelerated frame:- It is …

𝙋𝙃𝙔𝙇𝙐𝙈 𝙃𝙀𝙈𝙄𝘾𝙃𝙊𝙍𝘿𝘼𝙏𝘼:- ⚜Hemichordata (Hemi – half; chordata- notochord) was earlier placed as a sub-phylum under Phylum-Chordata. But, now it is considered as a separate phylum under Non-chordata. These are also called half chordates. This phylum consists of a small group of worm-like animal. ⚜General FeaturesSome important general features of phylum—hemichordata are discussed below:- i. Habit …

Chemistry Physics Biology Maths: 🔰 Important Facts About Human Body 🔰 🔸 Normal Sperm Count:➖ 250-400 million/ejaculation 🔸 Menstrual cycle:➖ 28 days 🔸 Menopause age:➖ 45-50 years 🔸 Blood clotting time:➖ 3-5 minutes 🔸 Weight of Brain:➖ 1300-1400 gm in human adult 🔸 Normal Blood Pressure (B.P.):➖ 120/80 mm Hg 🔸 Average body weight:➖ 70 …

Consumer-Decomposer Protists (Slime Moulds):- They possess the characters of both animals and fungi. Slime Moulds:- ⚜Slime moulds are saprophytic protists. Anton De Bary (1887) related them to animals and called them as Mycetozoa. ⚜ These are also named as fungus animals because they share the common characters of both animals and are known as protistian …