Category: Physics

What is the advantage of Parfocal objective? A parfocal lens allows for more accurate focusing at the maximum focal length, and then quick zooming back to a shorter focal length. Parfocal lenses also ameliorate lens breathing, a common headache for photographers. What is the advantage of Parfocal objectives Group of answer choices? What is the […]

How long do police have to investigate a crime? Effectively, this means the police must charge (or lay an information before a Magistrates’ Clerk) within six months of the date of the offence (section 127(1) Magistrates’ Courts Act 1980). For all other offences, there is no statutory time limit. How do police track down criminals? […]

How many gallons is a size 40 breeder tank? 45 gallons How many cubic inches is a 5 gallon bucket? 1,155 cubic inches Does a 5 gallon bucket hold exactly 5 gallons? A “5 gallon bucket” can only be assumed to be five gallons, give-or-take a gallon – unless you measure it. What volume is […]

Does a line of best fit have to go through the first and last point? You have just constructed a best fit line through the data! Note that it is not necessary for the line to pass through ANY of the points on the plot, it is only important that your line bisect (cut in […]

Why does the circulatory system need the respiratory system? Gas exchange between tissues and the blood is an essential function of the circulatory system. In humans, other mammals, and birds, blood absorbs oxygen and releases carbon dioxide in the lungs. Thus the circulatory and respiratory system, whose function is to obtain oxygen and discharge carbon […]

Can you live on federal land? No, you cannot live on BLM land. At least, not at the same campsite. However, you can keep moving from one location to another and remain on BLM land in general for an indefinite period. Is there unclaimed land in the world? Bir Tawil is the only truly unclaimed […]

What game has the most Instalments? Here are the video games with the most sequels! Mario – 119 games. Mega Man – 103 games. Sonic – 80 games. Final Fantasy – 80 games. Pokemon – 59 games. Dragon Quest – 43 games. Castlevania – 35 games. Resident Evil – 32 games. Who is the best […]

In which case is no work done? Let us consider some cases where work is not done: Work is zero if applied force is zero (W=0 if F=0): If a block is moving on a smooth horizontal surface (frictionless), no work will be done. Note that the block may have large displacement but no work […]

What is the best barometric pressure for deer hunting? A high, stable barometer is also good hunting. After compiling our results, whitetails seem to move best when the pressure is between 29.90 and 30.30 inches with the best movement occurring at the higher end of that range, around 30.10 to 30.30 inches. What time are […]

How do you protect an overcurrent circuit? Plug-in fuses are used to protect a circuit board from overcurrent conditions. A glass fuse can be used as a plug-in fuse or in a fuse holder. What is the difference between overcurrent and overload protection? ANSWER: Overcurrent protection is protection against excessive currents or current beyond the […]