Which of the following instruments is used to measure Rotation speed?

The main source of our energy is ___________.

Which of the following waves is related to Acoustic Radar?

Which of the following units of length is used to measure distance between earth and stars?

‘Mho’ is the unit of ___________.

The weight of an object would be minimum when it is placed?

Which of the following discoveries did Albert Einstein discover?

To an astronaut, outer space appears?

Rocket works on the principle of ___________.

Electron was first identified by ___________.

Which of the following unit is used to measure Electric Force?

Which of the following unit is used to measure electric capacity?

Which of the following units of length is used to measure Inter atomic distance in a solid?

Which of the following discoveries did Roentgen discover?

Which of the following waves is related to Electron Microscope?

Which of the following units is used to measure electric charge?

Which of the following instruments is used to measure Velocity of fluid?

Which of the following discoveries did Issac Newton discover?

Which of the following discoveries did Henry Becquerel discover?

Core of transformer is made up of ___________.

Which of the following waves is related to Musical Instrument?

Which of the following instruments is used to measure High temperatures?

Which of the following instruments is used to measure Power of machine?

Which of the following units of length is used to measure wavelength of infrared laser?

Which of the following waves is related to surgery using lasers?