Science bits

  • The process responsible for the enormous energy in the sun is?

    Nuclear fusion

  • What is the source of electric energy in an artificial satellite?

    Solar Cells

  • The apparatus used for locating submerged objects is know as

    Sonar

  • An artificial satellite can be tracked very precisely from the earth by using

    Doppler Effect

  • A G M counter is used for detecting.

    Radioactivity

  • Radioactivity is a property of

    Atomic nuclei

  • Hydrogen bomb is based on the principle of

    uncontrolled fusion reaction

  • Which of the following can be made to behave as a superconductor at temperature of about 100 k?

    Ceramics

  • A pure semi conductro

    is called an intrinsic semi-conductor