Category: Physics

What are some examples of interval data? Examples of interval data includes temperature (in Celsius or Fahrenheit), mark grading, IQ test and CGPA. These interval data examples are measured with equal intervals in their respective scales. Interval data are often used for statistical research, school grading, scientific studies and probability. How do you know if […]

What is the lunar day today? Lunar calendar for today May 7, Friday Today is the Ekadashi day by vedic tradition Moon void of course from 7:36 AM till 11:52 AM 26 lunar day Waning Moon Symbol: Swamp What lunar day means? A lunar day is the period of time for Earth’s Moon to complete […]

What are the 5 models of Atom? Atomic models John Dalton’s atomic model. Plum pudding model. Rutherford’s model of the atom. Bohr’s model of the atom. Electron Cloud Model/Quantum Mechanics Model of Atom. Basic description of the quantum mechanical atomic model: Sources: What was the first atomic model called? Thomson atomic model What are the […]

What is the formula of path difference? The general formula for destructive interference due to a path difference is given by δ = (m + 1/2) λ / n where n is the index of refraction of the medium in which the wave is traveling, λ is the wavelength, δ is the path difference and […]

How do you convert a smaller unit to a larger unit? To convert a smaller unit to a larger unit (eg to ), divide it by the number of smaller units which are needed to make. To convert from a larger unit to a smaller one, multiply. To convert from a smaller unit to a […]

What is the density of oxygen in kg m3? 1141 kg/m3 What is the density of gold in kg m3? 19,300 kg/m3 How heavy is 1m3 gold? One cubic meter of gold weighs roughly 19.3 metric tons, or about 42,549.22 English pounds. Is gold high in density? With a density of 19.32 grams per cubic […]

What does it mean when the two runners graphs cross? What does it mean when the two runners’ graphs cross? When the two runners graphs cross this means that in the graph above that runner 2 was behind but caught up and ran past runner 1 beating him to the finish line (40 meters). How […]

What is the difference between rate constant and rate of reaction? A rate constant, k, is a proportionality constant for a given reaction….Differences between the rate of reaction and constant: Rate of Reaction Rate Constant It depends upon the concentration of the reactant It is independent of the concentration of the reactant. What is relation […]

Where does the sun go when it sets? Answer: The Sun, the Moon, the planets, and the stars all rise in the east and set in the west. And that’s because Earth spins — toward the east. Where does the moon rise if the Earth rotates counter clockwise? The Earth rotates counter-clockwise on its axis […]

What is the advantages and disadvantages of renewable energy? Disadvantages of renewable energy resources Energy Resource Advantages Disadvantages Hydroelectric power stations Clean and cheap to run Expensive to set up and output could be affected by drought Solar cells Clean and cheap to run Not always sunny and output does not always outweigh initial cost […]