MCQ - CBSE Class 9 Science A battery lights a bulb. Describe the energy changes involved in the process. 10/03/2023 Ajit kumar 73 Views 0 Comments Read more
MCQ - CBSE Class 9 Science An object thrown at a certain angle to the ground moves in a curved path and falls back to the ground. The initial and the final points of the path of the object lie on the same horizontal line. What is the work done by the force of gravity on the object? 10/03/2023 Ajit kumar 81 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Look at the activities listed below. 10/03/2023 Ajit kumar 69 Views 0 Comments Read more
MCQ - CBSE Class 9 Science When do we say that work is done? 10/03/2023 Ajit kumar 130 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Multiple Choice Questions 10/03/2023 Ajit kumar 127 Views 0 Comments Read more
MCQ - CBSE Class 9 Science A cube of side 5 cm is immersed in water and then in saturated salt solution. In which case will it experience a greater buoyant force? If each side of the cube is reduced to 4 cm and then immersed in water, what will be the effect on the buoyant force experienced by the cube as compared to the first case for water? Give reason for each case. 10/03/2023 Ajit kumar 88 Views 0 Comments Read more
MCQ - CBSE Class 9 Science A body of mass 100 g is floating water. What will be its apparent weight? Justify your answer. 10/03/2023 Ajit kumar 87 Views 0 Comments Read more
MCQ - CBSE Class 9 Science A cargo ship is loaded in sea water to maximum capacity. What will happen if this ship is moved to river water? Give a reason for your answer. 10/03/2023 Ajit kumar 90 Views 0 Comments Read more
MCQ - CBSE Class 9 Science A piece of ice floating in a glass of water melts but the level of water in the glass does not change. Explain this phenomenon. 10/03/2023 Ajit kumar 126 Views 0 Comments Read more