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- The unit of force in SI system of units is Newton
- In physics, a force is an influence that can change the motion of an object.
- A force can cause an object with mass to change its velocity, i.e., to accelerate.
- Force can also be described intuitively as a push or a pull. A force has both magnitude and direction, making it a vector quantity.
The name lambda point is given because the shape of the specific heat curve is like the Greek letter Lambda.
Freezing point is the temperature at which a liquid turns into liquid.
Curie point is the temperature at which certain magnetic materials undergo a sharp change in magnetic properties.
- An anode is an electrode through which the conventional current enters into a polarized electrical device.
- This contrasts with a cathode, an electrode through which conventional current leaves an electrical device.
- A common mnemonic is ACID, for “anode current into device”.
Uranus is known as Rolling planet and Lying planet.
Satellites of Uranus are : Miranda, Ariel, Titania etc.
- He was the Irish physicist George Johnstone Stoney who was the first to suggest that there was a ‘single definite quantity of electricity’, the charge of a monovalent ion.
- It was he who coined the term ‘electron’.
- He is most famous for introducing the term electron as the “fundamental unit quantity of electricity”.
- It is a small structure in the head.
- It is called the master gland because it produces hormones that control other glands and many body functions including growth.
- The pituitary consists of the anterior and posterior pituitary.
- Lysosomes is called suicidal bag
- Because,when a bacteria or virus enters a cell and start causing damage to the cell, lysosomes release hydrolysis enzymes present in them due to which whole cell dies.
- It is better that a cell die than an organ.
- Killing itself is called suicide, so they are called suicidal bags of cell.
Housefly has chemoreceptors of taste on their legs.
Bees and wasp has chemoreceptors not only on their legs but also on their antennas.
Larva of Housefly : Maggot
Respiratory organ of Housefly : Trachea
Liver is the largest gland in human body.
Study of liver : Hepatology
Snell’s law is related to Refraction.
Brewster’s Law is related to Polarisation.
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