MCQ - CBSE Class 9 Science The wheels of an army tank rest on a steel belt. Give reason. 10/03/2023 Ajit kumar 74 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Lead has greater density than iron and both are denser than water. Is the buoyant force on a lead object greater than, or lesser than or equal to the buoyant force on an iron object of the same volume ? Explain your answer giving reason. 10/03/2023 Ajit kumar 82 Views 0 Comments Read more
MCQ - CBSE Class 9 Science A floating boat displaces water weighing 6000 N. 10/03/2023 Ajit kumar 67 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Why does a block of wood held underwater rise to the surface when released? 10/03/2023 Ajit kumar 88 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Explain why a truck or a motor bus has much wider tyres ? 10/03/2023 Ajit kumar 79 Views 0 Comments Read more
MCQ - CBSE Class 9 Science What is Relative Density? The relative density substance is greater than one, what does it signify? 10/03/2023 Ajit kumar 84 Views 0 Comments Read more
MCQ - CBSE Class 9 Science A steel needle sinks in water but a steel ship floats. Explain how. 10/03/2023 Ajit kumar 72 Views 0 Comments Read more
MCQ - CBSE Class 9 Science If two equal weights of unequal volumes are balanced in air, what will happen when these are completely dipped in water ? 10/03/2023 Ajit kumar 62 Views 0 Comments Read more
MCQ - CBSE Class 9 Science A cork floats in water while the iron nail sinks. Give reason. 10/03/2023 Ajit kumar 95 Views 0 Comments Read more
MCQ - CBSE Class 9 Science When we stand on loose sand, our feet go deep into the sand. But when we lie down on the sand our body does not go that deep in the sand. Why ? 10/03/2023 Ajit kumar 98 Views 0 Comments Read more