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it is found that the weight of an empty flat thin plastic bag is not changed when the bag is filled with air why not?

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Why does a beam balance measure mass?

Beam balance measure mass by comparing unknown quantity with known standard quantity of mass.Beam balance measure accurate quantity of matter present in that body .Quantity measured by beam balance doesn't differ in any place of world either in poles or equator but measuring scale quantity differ in different places


How do rods and cones differ in their sensitivity to light, and what role do cones play in color vision despite being less sensitive to light than rods?

Rods are more sensitive to light than cones, but cones are responsible for color vision. Cones are less sensitive to light but can detect different colors due to their three types that respond to different wavelengths of light.


How do you think a spring in a spring balance with a scale of 0-10 N compareswith the spring in a spring balance that measure forces up to 500 N?

The spring balance with 0-10 newton has a soft spring that would extend lightly but the spring balance that measures forces up to 500 newton has a hard spring that would extend slowly.


How do photoreceptor cells, such as cones and rods, differ in their functions within the human eye?

Photoreceptor cells in the human eye, such as cones and rods, differ in their functions. Cones are responsible for color vision and detecting fine details, while rods are more sensitive to low light levels and help with night vision.


Why can't we see infrared light and how does it differ from visible light?

We can't see infrared light because our eyes are not sensitive to that wavelength. Infrared light has longer wavelengths than visible light, which is why we can't see it. Visible light is the range of electromagnetic radiation that our eyes can detect, while infrared light falls outside of this range.

Related Questions

Why do the readings differ for increasing and decreasing values of the incandescent lamp voltages?

...what readings? current? voltage? power? lux?


How does balance of trade differ from balance of payments?

Balls and weiners!


Why does my online balance differ from my Quicken balance?

Your online balance may differ from your Quicken balance due to timing differences in when transactions are recorded. Online balances may reflect pending transactions, while Quicken balances may only show finalized transactions.


How does the post trial balance differ from the adjusted trial balance?

Post is used at the beginning of the month where trial balance is the balance of your financial statement at the end of the month.


How might the mass of the same object differ when measured on a triple beam balance versus an electronic scale?

The mass of the same object should ideally be the same when measured on both a triple beam balance and an electronic scale. However slight differences may arise due to the precision and calibration of the instruments with electronic scales often providing more precise readings.


How does a proprietorship balance sheet differ from a corporation's balance sheet?

There is only one difference that in proprietor balance sheet there is only owner's capital while in corporate balance sheet there is share holders capital as well.


How does a shotgun shell differ from cartridge case?

The first is made of paper or plastic, the second is brass.


How do cash balance plans differ from a 401k plan?

A 401k plan invest your money for you. A cash balance may earn a small amount of interest but has no risk.


Does balance refers to the way basic elements in the design differ from one another true or false?

false


How does the usage of milk plastic differ from normal plastic?

Milk plastic is a biodegradable plastic made from casein protein found in milk while normal plastic is made from petrochemicals. Milk plastic is more environmentally friendly as it is biodegradable, whereas normal plastic is not easily biodegradable and contributes to plastic pollution. Milk plastic has a shorter life span compared to normal plastic but is a better alternative for single-use or short-term applications.


How do they find the minium payment on a credit card?

Its usually 2% of the balance, 5% if your late, but banks differ in practices...


How many balance transfers can be made before you am charged a fee?

Depending on who your banking institution may be, the number of balance transfers that you can make will differ. Contact your own banking institutions for specifics.