Which of the following is a scalar quantity?
Displacement
Velocity
Electrified
Mass
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.
Which of the following is not a scalar quantity?
Distance
Time
Dipole moment
Volume
Which part of screw gauge is used to mark circular scale?
Thimble
Ratchet
Sleeve
Main scale
The circular head of a screw gauge is divided into 50 divisions and the screw moves 1mm ahead in two revolutions of the circular head pitch = 0.05cm. Find least count?
0.001cm
0.1mm
0.001mm
0.11cm
SI unit of volume
litre
m3
cm2
J
The quantity of matter it contains is called
volume
density
mass
power
The time taken to complete one oscillation is called
frequency
time period
amplitude
length
The maximum displacement of the bob from its mean position on either side is called
effective length
Pick out the correct expression for time period.