Class X

Boiling point of mercury is 357 °C, which is equal to
  1. −84 K
  2. 84 K
  3. −630 K
  4. 630 K
Wave that does not belong to EM spectrum is
  1. Gamma rays
  2. Radio waves
  3. Sound waves
  4. Infrared waves
A spring or rubber possess
  1. Chemical Potential Energy
  2. Elastic Potential Energy
  3. Gravitational Potential Energy
  4. Kinetic energy
Energy that is stored is termed as
  1. Kinetic Energy
  2. Thermal Energy
  3. Electrical Energy
  4. Potential Energy
Work done by a force of 1 N which moves an object a distance of 1 m in a specified direction is termed as
  1. 1 Joule
  2. 1 Pascal
  3. 1 Watt
  4. 1 Ohm
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