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Scientific, medical and navigational measuring instruments — what each measures, its working principle, and commonly confused pairs — for SSC and RRB general science.
Chapters
1Introduction21. Instruments for Measuring Length and Distance32. Instruments for Physical and Mechanical Quantities43. Electrical and Magnetic Instruments54. Optical Instruments65. Sound Instruments76. Medical and Biological Instruments87. Navigation and Other Important Instruments98. Master Reference Table — All Instruments109. Commonly Confused Instrument Pairs1110. SI Units of Quantities Measured by These Instruments1211. Practice Questions for Revision1312. Tips for Answering Instrument-Based Questions14Summary