Description
Measurement
Physical Quantities and Measurements.
Density
Density is defined as its mass per unit volume. It is, essentially, a measurement of how tightly matter is crammed together.
Determination of density of a regular solid
First measure the mass M of the given regular solid by using a beam balance
Now find the volume V of the regular solid by using the formula,
Volume of cube = (one side)3
Volume of cuboid = length * breadth * height
Volume of sphere = 4π(radius)3/3
Volume of cylinder = π(radius)2(height)
Knowing mass and volume find the density by using the given formula,
Density = M/V
Vessels for measuring volume
Eureka Can
Measuring Cylinder
Determination of density of a liquid using density bottle
A density bottle is a specially designed bottle which is used to determine the density of a liquid.
Concepts of Floatation
Floating and sinking
Students commonly believe that:
Heavy objects sink and light objects float regardless of their size, shape or the type of material used to make them
Law of floatation
When a body floats in a liquid, the weight of the liquid displaced by its immersed part is equal to the total weight of the body. This is the law of floatation.
About Course
In this section will learn the following chapters:
1.Measurement
2.Concepts and States of Matter
Course Curriculum
MEASUREMENT
MEASUREMENT OF VOLUME
Student Ratings & Reviews
No Review Yet