Which of the following is the part of a vernier caliper that is used for measuring the external diameter of a cylindrical tube?
Outside jaw / external jaw
Inside jaw / internal jaw
Tail
None of the above
Which of the following is the primitive form of a clock which work on the principle of shadow?
Sundial
Sand clock
Digital clock
Solar clock
Name a device used to measure the short time intervals?
Wrist watch
Stop watch
Screw gauge
Vernier caliper
Which of the following instrument is used for measuring weight ?
Spring balance
Two pan balance
Physical balance
Mass per unit volume of a substance is known as
Pressure
Density
Weight
Force
Which of the following scientist designed the vernier scale?
Albert vernier
Pierre vernier
Newton
Faraday
Which of the following instrument is used to measure the internal diameter of a pipe with a single measurement?
Manometer
Measuring cylinder
Micrometer screw gauge
Vernier calipers
Which element is used as the electronic oscillator in quartz clock?
Sand
Iridium
Quartz
Diamond
Which of the following instrument helps to measure very tiny materials in general chemistry labs ?
Weigh bridge
Medical scale
Digital balance
Which of the following is used in measuring weight in jewellery shop?
Beam balances