|
Questions |
Answers |
| 1 |
The unit of power is – |
Watt |
| 2 |
The unit of the force is – |
Newton |
| 3 |
The unit of work is – |
Joule |
| 4 |
Frequency is measured in – |
Hertz |
| 5 |
What is measured in hertz? |
Frequency |
| 6 |
The SI unit of electrical resistivity of the conductor is – |
Ohm |
| 7 |
Light-year is the unit of – |
Distance |
| 8 |
A light-year is the – |
Distance travelled by light in one year |
| 9 |
A parsec, a unit of distance used to measure the distance related to the stars in the sky, is equal to – |
3.25 light-years |
| 10 |
PARSEC is the unit of – |
Distance |
| 11 |
Which unit of measurement is multiplied by 0.39 to convert it to ‘inches’? |
Centimetre |
| 12 |
How can the height of a person who is six feet tall, be expressed (approximately) in nanometre? |
183 × 107nm |
| 13 |
A nanometre is equal to – |
10–7 cm |
| 14 |
Ampere is the unit of – |
Electric current |
| 15 |
Megawatt is the measuring unit of power which is – |
Generated |
| 16 |
How many watts are there in a horsepower? |
746 |
| 17 |
Angstrom is a unit of – |
Wavelength |
| 18 |
‘Joule’ is related to energy in the same way as ‘Pascal’ is related to – |
Pressure |
| 19 |
One micron is equal to – |
1/1000 mm |
| 20 |
One micron represents a length of – |
10-4 cm |
| 21 |
A distance of 1 km. means – |
1000 m. |
| 22 |
One pikogram is equal to – |
10–12 gram |
| 23 |
Pascal is a unit of measuring – |
Pressure |
| 24 |
What is the unit of pressure? |
Newton / sq. metre |
| 25 |
What is the unit of atmospheric pressure? |
Bar |
| 26 |
1 kg/cm² pressure is equivalent to – |
1.0 bar |
| 27 |
The smallest unit of length is – |
Fermimetre |
| 28 |
What is measured in cusec? |
Flow of water |
| 29 |
Which is the unit of measure of the thickness of the ozone layer of the atmosphere? |
Dobson |
| 30 |
‘Dobson’ Unit is used for the measurement of – |
Thickness of the Ozone layer |
