Question : Which of the following helps keep the Earth's atmosphere in place?

Option 1: The gravitational force of the moon

Option 2: Rotation of the Earth on its axis

Option 3: The gravitational force of the Earth

Option 4: The gravitational force of the Sun

Question : Which among the following is responsible for the rotation of the plane of oscillation of Foucault's pendulum?

Option 1: Centripetal force

Option 2: Viscous drag of air

Option 3: Centrifugal force

Option 4: Coriolis force

Question : Which of the following is used as the primary memory of a computer?

Option 1: Optical storage device

Option 2: Magnetic storage device

Option 3: RAM

Option 4: Magnetic-Optical storage device

Question : Maxwell is the unit of which of the following?

Option 1: Magnetic flux

Option 2: Permeability

Option 3: Magnetic susceptibility

Option 4: Intensity of magnetisation

Question : All changes in the weather of the earth are caused by the ______.

Option 1: altitude

Option 2: tides

Option 3: sun

Option 4: moon