Measurement

What is the SI prefix for $1000$?

The total length of the boundary of a closed figure is called its:

How many $10\text{ cm}$ pieces can be cut from a $2\text{ metre}$ long string?

Which unit would you use to measure the width of your computer screen?

A student uses a pair of dividers to measure the total length of a zigzag path. The dividers are set to a fixed gap of $1.5\text{ cm}$. The student counts $8$ full segments along the path, plus a remaining portion that measures $0.6\text{ cm}$ on a ruler. Based on the logic shown in the diagram, what is the total length of the path?

Which of the following is the correct decreasing order of units of length?

If a thread used to measure a circle's circumference is $44\text{ cm}$ long, what is the distance covered if you travel around the circle twice?

How many nanometres make up one millimetre?

The pitch of a screw is the distance moved by the screw in one full rotation. If a screw moves $5\text{ mm}$ in 10 rotations, what is its pitch?

A girl walks $3\text{ km}$ East and then $4\text{ km}$ North. What is the total distance she has walked?

In a beam balance, the two pans are suspended from the ends of the beam at:

If a sack of rice has a mass of $50 kg$, how many such sacks make $1$ metric tonne?

Standard weights are typically made from which material to prevent wear and tear?

Which unit is used to express the mass of very small quantities of medicine in a tablet?

Which prefix corresponds to the multiplier $10^{-3}$ in the context of mass units?

Which of the following is true for a 'true balance'?

The mass of an object is $M$. If the object is cut into four equal pieces, the mass of each piece will be:

A student has four objects with the following masses: $0.5 kg$, $550 g$, $500,000 mg$, and $5.5 hg$ (hectograms). Which two objects have the same mass?

If the beam of a balance is not 'true' (not horizontal when empty), the error is called:

An electronic balance displays mass by measuring the current required to counteract the magnetic force on a coil. This is an application of which principle?

Which device uses the principle of falling sand to measure time?

1 millennium is equal to how many centuries?

To find the time period of a pendulum, we divide the total time taken by the:

How many minutes are there in half a day?

A simple pendulum oscillates between two extreme positions as shown in the diagram. If the distance from the mean position to one extreme position is $5\ cm$, what is the total distance covered by the bob after completing exactly $2$ full oscillations?

In the SI system, how is the symbol for 'seconds' correctly written?

A simple pendulum is oscillating. If we measure the time for $20$ oscillations to be $30$ seconds, what is the time period?

What is the frequency of a pendulum if it takes $5$ seconds to go from the mean position to an extreme position and back to the mean position?

A pendulum completes $10$ oscillations in $15$ seconds. If the length is doubled, what will be the approximate new time for $10$ oscillations?

How many minutes are there in $0.25$ of a day?

What is the S.I. unit of temperature?

Which of these is a reason why water is NOT used as a thermometric liquid?

The temperature of a body is $50^{\circ}C$. What is its value in Kelvin?

A digital thermometer does not use:

If the temperature in a room is $68^{\circ}F$, what is the temperature in Celsius?

A change of $5^{\circ}C$ on the Celsius scale is equal to a change of how many units on the Kelvin scale?

Which of the following Celsius temperatures is the same as $122^{\circ}F$?

What happens to the kinetic energy of the molecules of a substance when its temperature increases?

On a certain scale 'X', the freezing point of water is $40^{\circ}X$ and the boiling point is $160^{\circ}X$. At what temperature will the 'X' scale read the same as the Celsius scale?

Which of these is a necessary precaution while using a laboratory thermometer?

What is the area of a square with a side of $4\text{ m}$?

Which of these represents a square centimetre?

Calculate the area of a rectangular piece of paper with $L = 20\text{ cm}$ and $B = 10\text{ cm}$.

Which of these units is used for measuring very large land areas like forests?

If the side of a square is $10\text{ cm}$, what is the ratio of its area to its perimeter?

Calculate the area of a right triangle whose two perpendicular sides are $8\text{ cm}$ and $6\text{ cm}$.

How many $m^{2}$ are in $0.02\text{ km}^{2}$?

A rectangular plot of land is $500\text{ m}$ by $400\text{ m}$. A path of $10\text{ m}$ width is built across the middle of the plot, one parallel to the length and one parallel to the width. What is the total area of the paths?

If $4\text{ ares}$ of land is shared equally by 5 people, how many square meters does each person get?

The ratio of the area of a square to the area of the square drawn on its diagonal is: