Albert Einstein was honoured with the Nobel Prize for his research and formulation of the;

  1. Theory of Relavitity
  2. Laws of Photo-Electric Effect
  3. Principle of Wave-Particle Duality
  4. Theory of Critical Opalescence

Altitudes in aircraft’s are measured with the help of which instrument?

  1. Anemometer
  2. Altimeter
  3. Ammeter
  4. Audiometer