EASY
9th ICSE
IMPORTANT
Earn 100

Draw a neat labelled diagram of the vernier callipers. Name its main parts and state their functions.

Important Questions on Measurements and Experimentation

EASY
9th ICSE
IMPORTANT
Name the instrument which can measure accurately the internal diameter of the neck of a water bottle.
EASY
9th ICSE
IMPORTANT
A stop watch has 10 divisions graduated between 0-5 s marks. What is its least count?
MEDIUM
9th ICSE
IMPORTANT
A microscope is provided with a main scale graduated with 20 divisions in 1cm and a vernier scale with 50 divisions on it of length same as that of 49 divisions of main scale. Find the least count of the microscope.
EASY
9th ICSE
IMPORTANT
The pitch of a screw gauge is 0.5 mm and the head scale is divided in 100 parts. What is the least count of the screw gauge?
EASY
9th ICSE
IMPORTANT
A screw has a pitch equal to 0.5 mm. What should be the number of divisions on its head to read correct up to 0.001 mm with its help?
EASY
9th ICSE
IMPORTANT
Name two factors on which the time period of a simple pendulum depends. Write the relation for the time period in terms of the above named factors.
EASY
9th ICSE
IMPORTANT
How are the time period and the frequency of an oscillation of a simple pendulum related?
EASY
9th ICSE
IMPORTANT
Two simple pendulums A and B have equal lengths, but their bobs weigh 50 gf and 100 gf respectively. What would be the ratio of their time periods? Give reason for your answer.