CBSE Class 9 Science Sound MCQs
Question. If the wave is propagating having the number of waves shown in the figure per second ,then the frequency of the wave is (a) 5Hz (b) 6Hz (c) 3Hz (d) 10Hz Answer : A Question. The characteristic of sound which enables us to distinguish one sound…
CBSE Class 9 Science Work and Energy MCQs
Question. Water stored in a dam posseses: (a) No energy (b) potential energy (c) kinetic energy (d) electrical energy Answer: B Question. When a body falls freely towards the earth then the total energy (a) remains constant (b) increase (c) decrease (d) first…
CBSE Class 9 Science Gravitation MCQs
Question: The mass of an object is (a) The amount of matter contained in the object, independent of where that object is found (b) the force of gravity on that object located at a particular point in space (c) dependent on whether the object is on the Earth or elsewhere. (d)…
CBSE Class 9 Science Force and Laws of Motion MCQs
Question: In the following example, try to identify the number of times the velocity of ball changes - A football player kicks a football to another player of his team who kicks the football towards the goal. The goalkeeper of the opposite team collects the football and…
CBSE Class 9 Science Motion MCQs
Question: From the given v-t graph (figure) it can be inferred that the object is moving with (a) uniform velocity (b) non uniform velocity (c) At rest (d) moving with uniform acceleration Answer: A Question: What does the slope of distance - time graph…