|
Questions |
Answers |
| 1 |
Which instruments are used for locating submerged objects in an ocean? |
SONAR |
| 2 |
SONAR is mostly used by – |
Navigators |
| 3 |
In SONAR, we use – |
Ultrasonic waves |
| 4 |
The apparatus used to measure the intensity of sound is – |
Audiometer |
| 5 |
What is measured by an ‘Anemometer’? |
Force of the wind |
| 6 |
The velocity of wind is measured by – |
Anemometer |
| 7 |
The device to measure electric current is – |
Ammeter |
| 8 |
A pyrometer is used to measure – |
High temperature |
| 9 |
Which devices are used to measure extremely high temperatures? |
Pyrometer |
| 10 |
‘Pyrheliometer’ is used for measuring – |
Solar radiation |
| 11 |
Which instrument is used to measure atmospheric pressure? |
Barometer |
| 12 |
The liquid/liquids used in the simple barometer is /are – |
Mercury |
| 13 |
The density of milk can be obtained by the use of – |
Lactometer |
| 14 |
Relative humidity is measured by – |
Hygrometer |
| 15 |
Electroencephalogram (EEG) is used in monitoring – |
Brain |
| 16 |
The name of the equipment used for measuring blood pressure is – |
Sphygmomanometer |
| 17 |
The apparatus used to measure the intensity of light is known as – |
Luxmeter |
| 18 |
Radar is used for – |
Determining the presence and location of objects with radio waves |
| 19 |
Which quantities are measured on the Richter scale? |
Intensity of an earthquake |
| 20 |
The Richter scale is used for measuring – |
Amplitude of seismic waves |
| 21 |
A Fathometer is used to measure – |
Depth of sea |
| 22 |
The apparatus used for detecting lie is known as – |
Polygraph |
| 23 |
The instrument, used for measuring angular distances in the vertical plane (elevation) and the horizontal plane (azimuth), is – |
Theodolite |
