Question : Gravitational force is maximum at which of the following place?

Option 1: At equator

Option 2: At tropic of cancer

Option 3: At tropic of Capricorn

Option 4: At poles

Question : The acceleration due to gravity at the equator

Option 1: is less than that at poles

Option 2: is greater than that at poles

Option 3: is equal to that at poles

Option 4: does not depends upon earth's centripetal acceleration.

Question : Select the option that expresses the given sentence in active voice.

Most of Earth's surface is covered by water.

Option 1: Water is covering most of Earth's surface.

Option 2: Water has been covering most of Earth's surface.

Option 3: Water covers most of Earth's surface.

Option 4: Water has covered most of Earth's surface.

Question : Tides are caused by the gravitational pull of the

Option 1: Earth on the Moon

Option 2: Earth on the Sun

Option 3: Sun and Moon on the Earth

Option 4: Moon on the Earth

Question : A tachometer is a device used to measure

Option 1: gravitational pull

Option 2: speed of rotation

Option 3: surface tension

Option 4: dispersive power