range finding device

Summary - Energy band of a solid is the large number of energy levels confined in a small region of energy range of a given solid, constitute what is known as energy bands. In some solids, there is an energy gap in between the energy bands. This energy gap is called forbidden gap. The ene..

The set of all the second elements of the ordered pairs of a function is called the range..

A voltmeter is a device used to measure 'potential difference' and an ammeter is a device used to measure 'current'. Ammeters are connected 'in series' to the components through which the current to be measured flows. Voltmeters are connected in parallel to the components acros..

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The range of distance over which the eye can see clearly is called its range of vision. The range of vision of a normal healthy eye is from infinity to 25cm from the ey..

Sound waves are emitted from a vibrating source and transmitted through air. The human ear can hear sound waves in the range 20 Hz and 20 KHz. This range is known as audible range. The sound waves having frequencies above the audible range are known as ultras..

Range of Vision - The range of distance over which the eye can see clearly is called its range of vision. The range of vision of a normal healthy eye is from infinity to 25cm from the eye. The terms like power of accommodation, focusing, least distance of dis..