Physical Quantities and Measurement

What is Measurement?

• Measurement is a standard unit

• Comparison of known quantity with a unknown Constant Quantity or Unit.

• Comparison of unknown quantity with a known Constant Quantity or Unit.

Choose the correct fundamental unit-

• Temperature

• Kelvin

• Beam Balance

• Distance

Which of the following is used to measure mass?

• Digital balance

• Beam Balance

• Physical Balance

SI Unit of mass

• Gram

• Centigram

• Decigram

• Kilogram

Choose the right symbol for Kelvin

• K

• k

Choose the right option for second

• s

• S

Choose the right option for metre

• 5 ms

• 5 Ms

• 5 M

• 5 m

Instrument used for Measuring Length

• Telescope

• measuring Tape

• Micron

what will we do if the ruler is worn out edges used and you need to measure a piece of wood??

• Bring a new scale

• take the length to be measured from any other full mark on the scale other than 0 Then plus the two readings

• take the length to be measured from any other full mark on the scale other than 0 Then minus the two readings

• See the piece of wood and tell the approximate Measurement

What helps to measure the time taken on a particular event?

• Pendulum Clock

• Digital Watch

• Stopwatch