Online GK Series

This site is dedicated to the aspirants of competitive exams SSC, UPSC, Railways, Postal Assistants, Bank, GATE and NET

Get Attractive Job

Physics - General Science Objective Questions and Answers for Competitive Exams

Q.

Which device is used to measure the wavelength of X-rays ?

A Framing square
B Spectrometer
C Manometer
D SWR meter
Answer & Explanation
Option: [B]

Your Valuable Comments Please...

Important EBooks for Competitive Exams

VIEW ALL