A boat will submerge when it displaces water equal to its own
1). volume
2). weight
3). surface area
4). density
1. The velocity of sound is more in
2. A microscope used in pathological laboratories forms
3. A wave with high amplitude have
4. Energy per unit volume is dimensionally equal to
5. The radiation initially produced in fluorescent tube is
6. Magnetic keepers are used to protect magnets from :
7. When a piece of stone is immersed in water, it displaces water of equal