Everyday Science – Units, Abbreviations, Inventions & Discoveries

The international system of units is based on _____ fundamental units.

Metre is the unit of.

The unit of time is.

The unit of time is.

The unit of electric current is.

Mole is the unit of.

Which of the following is the unit of distance (usually between planets and stars)?

Newton is the unit of.

Which is the unit of power ?

Coulomb is the unit of.

LPG stands for.

What is meant by RNA ?

CNG stands for.

SOS means.

AM means.

CAD stands for.

ROM means.

What is meant by VHF ?

ECG means.

What is meant by WBC ?

RAM means.

______ is used to measure degree of sensation of skin.

Which of the following is used to measure velocity of wind ?

Barometer is used to measure.

Hydrometer is used to determine relative density of.

Chronometer is a clock used to measure longitude of vessel over.

For measuring the relative humidity in atmosphere ,______ is used.

For measuring the relative density of milk,_______ is used.

Which of the following is used to compare magnetic moments and fields ?

Manometer is used to measure pressure of.

Which of the following is used to measure small distances or angles?

Seismograph is used to record intensity and source of.

For hearing and analyzing the sound of heart and lungs,______ is used.

_______ is used for spectrum analysis.

_______ is used to measure rainfalls.

____ is used to measure temperature.

For measuring small sub divisions of scale,which instrument is used ?

Which instrument is used for measuring viscosity ?

_______ is used to measure potential difference between two points.

Aeroplane was invented by Wright Brothers in.

Who invented Galvanometer in 1820 ?

Daimler invented _______ in 1885.

Radio was invented by Marconi in.

Who invented penicillin in 1829 ?

Television was invented by Baird in.

The inventor of telephone is.

Goodard invented _____ in 1926 .

Calculus was discovered in 1670 by.

Schonbein discovered ______ ozone in.

Roentgen discovered _______ in 1895.