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
Main scale
The time taken to complete one oscillation is called
frequency
time period
amplitude
length
SI unit of volume
litre
m3
cm2
J
The number of oscillations in one second is called
effective length
The maximum displacement of the bob from its mean position on either side is called
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 part of stop watch?
Knob
Ring
Minute hand
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.
Calculate the length of a seconds pendulum at a place, where g = 9.8ms-2 ?
0.994m
0.96m
1m
0.87m
Which of the following is not a vector quantity?
Dipole moment
Magnetic field
Temperature gradient
Temperature