Category: Physics

Which is the correct order of the steps for cleaning and sanitizing wash sanitize rinse air dry? rinse, scrape, or soak items before washing them. wash items in the first sink. rinse items in second sink. sanitize items in third sink. air dry items on a clean and sanitized surface. What are the 2 methods […]

How are convex lenses used in everyday life? They are used to make telescopes. 1) Convex lens is used in microscopes and magnifying glasses to subject all the light to a specific point. 2) Convex lens is used as a camera lens in cameras as they focus light for a clean picture. 3) Convex lens […]

What gives your skin color? Your skin gets its color from a pigment called melanin. Special cells in the skin make melanin. When these cells become damaged or unhealthy, it affects melanin production. How can I increase melanin in my hair? Can certain foods boost melanin growth in hair? Foods rich in antioxidants. Many foods […]

Why are the mirror fitted on the outside of cars convex? Convex mirrors have the ability to cover wider field of view by forming diminished and virtual image of the objects. Thus, the mirrors fitted on the outside of cars are convex so that larger view of the road can be observed by the driver […]

What does a deep S wave indicate? T HE presence of a deep S wave in leads. V1 or V2 is often interpreted as evidence. suggesting left ventricular hypertrophy. What does a small S wave indicate? You will also have seen a small negative wave following the large R wave. This is known as an […]

How many whooping cranes are left today? We appreciate your contribution to the recovery of the Whooping Crane Eastern Migratory Population. This report is produced by the International Crane Foundation. The current estimated population size is 80 (39 F, 38 M, 3 U). Seventeen of these 80 individuals are wild-hatched and the rest are captive-reared. […]

Why does an apple look green? Green apples appear green because of chlorophyll in the peel. In red apples, the colour of chlorophyll is masked by the presence of anthocyanins, which are red in colour. Interestingly, anthocyanins accumulate in vacuoles, while the chlorophylls are present in chloroplasts of apple peel cells. Why is the color […]

How 2020 is a unique leap year? 2020 is a unique Leap Year. It has 29 days in February, 300 days in March and 5 years in April. May may never never end end. Why is February called February? February is named after an ancient Roman festival of purification called Februa. The Roman calendar originally […]

What are the 5 steps of an action potential? The action potential can be divided into five phases: the resting potential, threshold, the rising phase, the falling phase, and the recovery phase. How does a neuron get activated? A neuron is activated by other neurons to which it is connected. In turn, its own activation […]

What do all urban growth boundaries have in common? What do all urban growth boundaries have in common? Explain. All urban growth boundaries try to protect the spread of urban areas into rural areas. They all have one main goal which is to help preserve parts of the environment. How does living in a smart […]