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Which prefix has the greater value is greater centimeter or decameter?
A decimeter (dm) is equal to 1/10 of a meter. It is equal to slightly less than 4 inches (3.937 inches, to be exact). A centimeter (cm) is equal to 1/100 of a meter. So, yes, a "decimeter" is a greater unit of length than a "centimeter". +++ That is correct but the conversion to inches in the middle only confuses the issue. ' 1 metre = 10 decimetres = 100 centimetres = 1000 millimetres.
Are all AAbatteries exactly the same length from the -pole to the tip of the plus pole?
No, not all AA batteries are exactly the same length. While they typically have a standard length, variations in manufacturing processes between different brands or types of batteries can result in slight differences in length.
What will happen to the focal length of a lens if it is cut into half vertically?
Cutting a lens in half vertically will not change the focal length. The focal length of a lens is determined by its shape and curvature, which remain the same after cutting.
Each of two pendulums weighs the same which swings faster?
The pendulum with a shorter length will swing faster than the one with a longer length, as the period of a pendulum is directly proportional to the square root of its length. So, if both pendulums have the same weight but different lengths, the one with the shorter length will swing faster.
Length of the spring is halved then the spring constant becomes?
If the length of the spring is halved, the spring constant remains the same. The spring constant is determined by the material and shape of the spring, and is not affected by changes in length.
