Category: Physics

What Colour would green be in red light? There are three primary colours in light: red, green and blue….Coloured light. Appearance of object in red light White paper Red (only red light to reflect) Red apple Red Green apple Black (no green light to reflect) Why do red and green light make yellow? A mixture […]

What is the lowest order of the Butterworth? What is the order N of the low pass Butterworth filter in terms of KP and KS? Explanation: We know that, [\frac{Ω_P}{Ω_C}]^{2N} = 10^{-K_P/10}-1 and [\frac{Ω_P}{Ω_C}]^{2N} = 10^{-K_S/10}-1. Which is better FIR or IIR? The advantage of IIR filters over FIR filters is that IIR filters usually […]

Can a translation undo a reflection? No. The translation followed by a reflection would put a figure in a different location in the plane when compared to the same reflection followed by the same translation. Summarize, or have students summarize, the lesson. We can sequence rigid motions. What does translation do to an image? Translation […]

Is pigment ink better for heat transfers? So after going by all the characteristics and differences in the inks, it is advised to use Pigment ink for heat transfer paper. The reason for using a pigment ink over the regular dye ink is that the pigment ink doesn’t fade quickly. How do you make a […]

What is the primary use of the following agar slant agar deep broth? What is the primary use of slants? Provides a solid growth area that is easier to store. What is the primary use of deeps? Used to grow bacteria that needs less oxygen. What are agar deep used for? Agar deeps are used […]

Is it more energy efficient to boil water? An electric stove requires more energy and time to heat up, thus it takes longer to heat the water inside the kettle. However, an electric stove is more efficient in delivering energy to the kettle. Using boiling water and vinegar removes mineral deposits that reduce its energy […]

Why could jelly fish not tell a lie? Answer. Answer: because they can not talk. What is the meanest animal? HONEY BADGER Is Cyprus rich or poor? What does it mean for a nation to be rich? GDP per capita adjusted for relative purchasing power provides a clue into that….Advertisement. Rank Country GDP-PPP ($) 31 […]

What is the primary rule of soccer? The two basic soccer rules for a proper throw-in are to have both feet on the ground and to throw the ball with both hands over the head. For teaching purposes it is common to allow players under the age of 8 to take more than 1 attempt. […]

Which climate zone has a short summer and is generally cold and windy? polar What are the 3 climate zones on Earth? The Earth has three main climate zones: tropical, temperate, and polar. The climate region near the equator with warm air masses is known as tropical. In the tropical zone, the average temperature in […]

Why are Fraunhofer lines missing? Fraunhofer lines are dark absorption lines in the solar spectrum that can be seen when sunlight is passed through a prism to separate it into the colors of the rainbow. These dark lines were segments of colors missing from the complete spectrum. … Can you touch dry ice? Dry Ice […]