Navigate

Question Detail

What is unit of Work and Energy ?

  • Joule
  • kilogram
  • amphere
  • meter

Answer: Option A

Similar Questions :

1. Orbital speed of a satellite is dependent of its mass.

  • True
  • False

Answer: Option B

Explanation:

Orbital speed of a satellite is independent of its mass.

2. The nuclear reaction in which a heavy nucleus splits into two nuclei of nearly equal mass is called

  • Nuclear fusion
  • Nuclear fission
  • Nuclear reaction
  • Fast breeding

Answer: Option B

3. Scalar Quantities are

  • physical quantities which have magnitude only and no direction
  • physical quantities which have no magnitude only and only direction
  • physical quantities which have magnitude only and direction
  • physical quantities which have no magnitude and no direction

Answer: Option A

4. Radiocarbon is produced in the atmosphere as a result of

  • collision between fast neutrons and nitrogen nuclei present in the atmosphere
  • action of ultraviolet light from the sun on atmospheric oxygen
  • action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere
  • lightning discharge in atmosphere

Answer: Option A

5. unit of Pressure is

  • newton second
  • pascal
  • watt
  • newton per meter

Answer: Option B

Explanation:

newton second is unit of impulse,

watt is unit of Power,

newton per meter is unit of Surface Tension.

Read more from - Physics Questions Answers