Question

Cathode ray oscillograph is used for

• A. Taking X-ray photographs
• B. Showing pictures
• C. Demonstrating electrical pulses
• D. Producing elementary particles

Answer 1

The correct option is C Demonstrating electrical pulses

$\begin{array}{c}\text{The cathode ray oscilloscope (CRO)}\\ \text{is a common laboratory instrument}\\ \text{that provides accurate time}\\ \text{and aplitude measurements of}\\ \text{voltage signals over a wide}\\ \text{range of frequencies. Its}\\ \text{reliability, stability and ease of}\\ \text{opteration make it suitable}\\ \text{as a general purpose laboratory}\\ \text{instrument.}\\ \text{In easy words, it is used}\\ \text{for demonstrating}\\ \text{electrical pulses.}\end{array}$