Tag: science & technology

Questions Related to science & technology

  1. population control

  2. conservation of energy

  3. popularisation of science

  4. protection of environment


Correct Option: D
  1. a straight line motion of ball with equation x-y=0

  2. a straight line motion of ball with equation x+y=0

  3. a circular motion of ball in x-y plane

  4. none of these


Correct Option: A
  1. tangent to circle

  2. centre of circle

  3. can act in any direction

  4. none of these


Correct Option: B
  1. electric force

  2. gravitational force

  3. frictional force

  4. nuclear force


Correct Option: C