Is the focal length of concave lens negative or positive? focal length object distance concave mirror positive positive convex mirror negative positive converging lens positive positive diverging lens negative positive Is the focal length of concave mirror negative? f, the focal length, is positive for a concave mirror, and negative for a convex mirror. When […]
What are the applications of symbiosis?
What are the applications of symbiosis? 4.2 Regional Community-based Industrial Symbiosis Development – Kalundborg in Denmark Resource exchanged From Purpose Steam Power station For production process Scrubber sludge Power station As fertilisers for farming Yeast slurry Pharmaceutical manufacturer As stock food Sludge (treated) Pharmaceutical manufacturer As fertiliser What is symbiosis explain with example? Symbiosis is […]
Why is Vernier calliper important?
Why is Vernier calliper important? A Vernier Caliper is a precision instrument. It is designed to gauge the dimensions and depth of different objects. Vernier caliper is especially useful when it comes to measuring the diameter of circular objects such as cylinders. This is because its jaws can be perfectly secured on both sides of […]
Can XRAY see clothes?
How does wavelength affect sound?
How does wavelength affect sound? The shorter the wavelength, the higher the frequency, and the higher the pitch, of the sound. In other words, short waves sound high; long waves sound low. Instead of measuring frequencies, musicians name the pitches that they use most often. What happens when the wavelength of a sound wave decreases? […]
What are 2 factors that affect salinity?
What are 2 factors that affect salinity? Evaporation of ocean water and formation of sea ice both increase the salinity of the ocean. However these “salinity raising” factors are continually counterbalanced by processes that decrease salinity such as the continuous input of fresh water from rivers, precipitation of rain and snow, and melting of ice. […]
How many sit-ups a day to get a flat stomach?
How many sit-ups a day to get a flat stomach? According to Livestrong, combining three sets of sit-ups with 25 to 50 repetitions each is how to build and sculpt your abs. Better still, you only need to do your crunches three times a week if you’re also combining this with cardio and strength training. […]
What is the symbol for thermal energy?
What is the symbol for thermal energy? 1.1 Temperature, heat and heat capacity Name Symbol Units Thermal energy U J (joules) Heat Flux q W/m2 Temperature T K (Kelvin) Specific heat capacity c J/(kg-K) What is another name for thermal energy? Heat energy What are the two main forms of thermal energy? Types of energy […]
What are the advantages of SI units over traditional units?
What are the advantages of SI units over traditional units? Advantages of Si units over traditional units. The greatest advantage of SI is that it has only one unit for each quantity (type of measurement). This means that it is never necessary to convert from one unit to another (within the system) and there are […]
What are the two types of mixtures?
What are the two types of mixtures? There are two main categories of mixtures: homogeneous mixtures and heterogeneous mixtures. In a homogenous mixture all the substances are evenly distributed throughout the mixture (salt water, air, blood). When two or more elements are chemically combined? Elements can be chemically combined into compounds, therefore, a compound consists […]