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.
SI unit of volume
litre
m3
cm2
J
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 quantity of matter it contains is called
volume
density
mass
power
The maximum displacement of the bob from its mean position on either side is called
amplitude
frequency
time period
effective length
Which of the following is not a part of stop watch?
Knob
Ring
Minute hand
Sleeve
Which of the following is not a scalar quantity?
Distance
Time
Dipole moment
Volume
The least count of vernier calipers is
0.1mm
1mm
0.01mm
0.001mm
The number of oscillations in one second is called
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
Thimble
Main scale