Properties Of Matter Mock Tests

A capillary tube of radius r dips into a liquid of density ρ and surface tension T with contact angle θ. The liquid rises to height h. If the tube is pushed down further so that the exposed length above the liquid surface is reduced to h/2, the angle of contact becomes:

The planet that is visible to the naked eye both in the evening and in the morning is:

The planet known as the "Morning Star" or "Evening Star" is:

The most abundant element in the Earth's crust is:

The metal that is liquid at room temperature is:

The metal that is liquid at room temperature besides mercury is:

A spherical droplet of radius R breaks into 64 identical smaller droplets. If the surface tension of the liquid is T, the change in surface energy is:

The process of conversion of a solid directly into gas without passing through the liquid state is called: