Everyday Science Mcqs 4

 

Spectrometer: (1) It is a type of spectroscope suitable for the precise measurements of refractive indices. (2) An instrument for measuring the energy distribution of a particular type of radiation.

Speedometer: is an instrument which indicates speed at which a vehicle is moving.

Spherometer: is an instrument for measuring curvature of surfaces.

Sphygmomanometer: an instrument used for measuring arterial blood-pressure.

Sphygmophone: an instrument, with the help of which a pulse beat makes a sound.

Sphygmoscope: an instrument, by virtue of which, arterial pulsations become visible.

Stereoscope: It is a special type of binocular, through which a double photograph snapped from two different angles by a two-lensed camera is viewed in solid relief.

Stethoscope: is an instrument to hear and analyse movements of heart and lungs.

Stop watch: for recording small intervals of time in the laboratory, in races and other events.

Stroboscope: is an instrument for viewing objects moving rapidly with a periodic motion and to see them as if they were at rest.

Tachometer: is an instrument for determining speeds of aeroplanes and motor boats.

Telephone: a device by virtue of which two persons at two different places can communicate. It consists of two main parts (i) a microphone and (ii) a receiver.

Teleprinter: an instrument which prints automatically messages sent from one place to another, on telegraph lines.

Telescope: is an apparatus used for observing distant objects.

Theodolite: is an instrument for measuring horizontal and vertical angles.

Thermocouple: an instrument based on thermo-electricity used for measuring temperatures.

Thermometer: is an apparatus used for measuring temperature.

Thermostat: It is an instrument used to regulate the temperature to a particular degree.

Viscometer: is an instrument to measure viscosity.

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