Indian History Test
Who invented the laser?
  • Seymour Cray
Which of the following instruments measures blood pressure?
  • Sphygmomanometer
  • Ammeter
  • Stethoscope
  • Spherometer
Which one of the following pairs of physical quantities may be represented in the same unit?
  • Specific heat
  • Temperature of mole
  • Heat and temperature
  • Heat and work
Sound cannot travel though
  • Vacuum
  • Solids
  • Liquids
  • Gases
In the electrolyte of the cell, current flows from
  • Negative to negative terminal
  • Positive to positive terminal
  • Positive to negative terminal
  • Negative to positive terminal
White light is made up of seven colours. What is the method of separating the colours?
  • By passing it through a prism
  • By filtration
  • Can’t be separated
  • Both (a) and (b)
Electric iron uses wires of alloy as
  • They do not burn at high temperatures
  • They do not oxidize at high temperatures
  • Both (a) and (b)
  • Neither (a) nor (b