What type of material does not allow any light to pass through? opaque Which surface is best at reflecting light? glass mirror Why can light pass through some materials and not others? Opaque materials do not allow transmission of light waves. In other words, we can’t see through an opaque object. We can only see […]
What period in the periodic table is iron found in?
What colors does Brown not go with?
How does input make an output?
How does input make an output? How does input make an output? The computer sits between the input and output devices. A computer program processes and digitises the input information. The result is then sent to an output device such as a screen. What is an input-output diagram? Input-output diagrams are the first step in […]
Who is known as the founder of modern political science?
Who is known as the founder of modern political science? Niccolò Machiavelli What is socialism communism and capitalism? The word socialism also began to be used in the 1830s, to describe a system different from capitalism. Socialism held that groups of people should own and regulate the economy for the benefit of all the members, […]
Why are steam engines inefficient?
Why are steam engines inefficient? Steam engines are extremely inefficient, wasting around 80–90 percent of all the energy they produce from coal. That means they have to burn enormous amounts of coal to produce useful amounts of power. It’s inefficient because energy is wasted as the heat and steam travel from the fire, via the […]
What happens if a hydrogen car catches fire?
What happens if a hydrogen car catches fire? The vehicles are designed with a thermal pressure relief device (TPRD) on the tank that would discharge if the car was engulfed in a fire. If a fuel leak were to occur, the hydrogen would disperse upward rapidly, and if the TPRD were activated, the tank would […]
Do I need to discharge a capacitor?
Do I need to discharge a capacitor? You must discharge the capacitors before working on power supply circuits so you won’t get shocked. There are three different ways to discharge large filter capacitors in a power supply: with a screwdriver, the leads of a socketed 100 watt light bulb, and the leads of a high-wattage […]
What is your availability start?
What is your availability start? Applicants are often asked what date they are available to start work if they were to be hired. The most common time frame for starting a new position is two weeks after you have accepted the job offer. Should I put my availability on my resume? 12) Availability Save the […]