Which instrument in measuring time, consisting of two glass chambers connected by a narrow neck and containing a quantity of sand?
Sundial
Mechanical clock
Atomic clock
Sand clock
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 of the following instrument helps to measure very tiny materials in general chemistry labs ?
Weigh bridge
Medical scale
Physical balance
Digital balance
Which of the following scientist designed the vernier scale?
Albert vernier
Pierre vernier
Newton
Faraday
Atomic clock works on periodic vibration taking place in
Uranium atom
Plutonium atom
Carbon atom
Ceasium atom
Force of gravity on a body is called
Density
Weight
Pressure
Acceleration
Which of the following is the primitive form of a clock which work on the principle of shadow?
Digital clock
Solar clock
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 element is used as the electronic oscillator in quartz clock?
Sand
Iridium
Quartz
Diamond
Which of the following instrument is more accurate in taking measurements?
Digital vernier calipers
Metre scale
Ordinary scale