MCQ - CBSE Class 9 Science A cork floats in water while the iron nail sinks. Give reason. 10/03/2023 Ajit kumar 80 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 88 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Name the two factors on which the buoyant force depends. 10/03/2023 Ajit kumar 86 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Define thrust and pressure and state the SI units in which they are measured. 10/03/2023 Ajit kumar 73 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Explain why is it difficult to push a tin can into water keeping its mouth upwards than when its mouth is kept downwards towards the water. 10/03/2023 Ajit kumar 64 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Why cutting instruments are sharpened? 10/03/2023 Ajit kumar 55 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Why is the bottom part of the foundation of a building made wider ? 10/03/2023 Ajit kumar 70 Views 0 Comments Read more
MCQ - CBSE Class 9 Science A piece of ice is gently placed on the surface of water filled in glass tumbler, so the water rises to the brim. What will happen to the level of water when the ice melts? Will the water overflow? If not, explain with reason. 10/03/2023 Ajit kumar 59 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Why is it easier to cut with a sharp knife edge than with a blunt one ? 10/03/2023 Ajit kumar 103 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Why are double tyres provided at the rear wheels of a truck? 10/03/2023 Ajit kumar 73 Views 0 Comments Read more