Which part of vernier caliper is used to measure the depth of a beaker or a bottle?
Main scale
Vernier scale
Strip
Inside jaw
In an instrument, there are 25 divisions on the veiner scale which coincide with 24 divisions of the main scale 1cm on main scale is divided in 20 equal parts. What is the least count?
0.001cm
0.002cm
0.003cm
0.004cm
The diameter of a thin wire can be measured by
vernier calipers
a meter scale
screw gauge
any of these
Which of the following is not a scalar quantity?
Distance
Time
Dipole moment
Volume
The time taken to complete one oscillation is called
frequency
time period
amplitude
length
Which of the following is a scalar quantity?
Displacement
Velocity
Electrified
Mass
Calculate the length of a seconds pendulum at a place, where g = 9.8ms-2 ?
0.994m
0.96m
1m
0.87m
Which part of screw gauge is used to rotate the screw by turning it to that the object is gently held between the stud and spindle of screw?
Ratchet
Sleeve
Thimble
The least count of vernier calipers is
0.1mm
1mm
0.01mm
0.001mm
Pitch of screw gauge means
The distance moved ahead by it in rotation of circular scale by one divion.
The length of screw in it.
The thickness of screw in it.
The separation between two consecutive threads on its screw.