MCQ - CBSE Class 9 Science What is meant by buoyancy? Why does an object float or sink when placed on the surface of a liquid? 10/03/2023 Ajit kumar 88 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Why are railway tracks laid on large sized concrete sleepers ? 10/03/2023 Ajit kumar 69 Views 0 Comments Read more
MCQ - CBSE Class 9 Science When an object is immersed in a fluid, name the two forces acting on it. 10/03/2023 Ajit kumar 94 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Explain the following: 10/03/2023 Ajit kumar 82 Views 0 Comments Read more
MCQ - CBSE Class 9 Science State Archimedes’ principle 10/03/2023 Ajit kumar 104 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Define density and relative density. Give their mathematical formula and SI unit. 10/03/2023 Ajit kumar 86 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Why is the pressure on ground more when a man is walking than when he is standing? 10/03/2023 Ajit kumar 106 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Give reason for the following: 10/03/2023 Ajit kumar 92 Views 0 Comments Read more
MCQ - CBSE Class 9 Science List two forces which act as on a body when it is immersed in a liquid. State the condition for a body to float or sink in a liquid. Why does an iron nail sink and a piece of wood floats when placed on the surface of water ? 10/03/2023 Ajit kumar 59 Views 0 Comments Read more
MCQ - CBSE Class 9 Science State the principle on which the working of a hydrometer is based. 10/03/2023 Ajit kumar 88 Views 0 Comments Read more