State true or false. If false, give the correct statement. 1 Light year = `9.46 xx 10^5m`.

State true or false. If false, give the correct statement. One light year is defined as the distance travelled by light in vacuum during the period of one year.

State true or false. If false, give the correct statement. The lightness of heaviness of a body is due to volume

State true or false. If false, give the correct statement. Density of water is 100kg//m^3 .

State true or false. If false, give the correct statement. Argon is mono atomic gas.

State true or false. If false, give the correct statement. The nearest star to our solar system is proxima centaurai.

State true or false. If false, give the correct statement. Water is denser than kerosene.

State true or false. If false, give the correct statement. The volume of a figure is the region covered by the boundary of the figure.

State true or false. If false, give the correct statement. The region covered by the boundary of the plane figure is called ita volume.

State true or false. If false, give the correct statement. Density is defined as the mass of the substance contained in unit volume.

State true or false. If false, give the correct statement. Neptune is 30 AU away from sun.