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Question Detail
Which instrument is used to measure depth of ocean ?
- Galvanometer
- Fluxmeter
- Endoscope
- Fathometer
Answer: Option D
Explanation:
Galvanometer - measures electric current,
Fluxmeter - measures magnetic flux,
Endoscope - used to examine internal parts of the body.
1. Name of the instrument to measure atomspheric pressure ?
- Barometer
- Barograph
- Bolometer
- Callipers
Answer: Option A
Explanation:
Barograph - Recordings of atmospheric pressure,
Bolometer - Used to measure heat radiation,
Callipers - Used to measure inner and outer diameters of bodies.
2. If lift is going up with acceleration, the apparent weight of a body is
- may be more or less than true weight
- equal to the true weight
- less than the true weight
- more than the true weight
Answer: Option D
3. Which are the primary Colours ?
- Yellow, Green, Blue
- Red, Magenta, Blue
- Red, Green, White
- Red, Green, Blue
Answer: Option D
Explanation:
Red, Green, Blue are primary colours. All the colours can be produced by them by mixing in different proportions. Interesting :)
4. What is unit of Astronomical distance ?
- light year
- angstrom
- weber
- lux
Answer: Option A
Explanation:
angstrom is used to measure wave length,
weber is used to measure Magnetic flux,
lux is used to measure Intensity of illumination.
5. newton is used to measure
- Speed
- Volume
- Force
- Area
Answer: Option C
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