Motion (गति) Ch(7) Practice Quiz in Hindi Part – 1 || Class 9 Science Practice Quizzes in English Posted on February 28, 2025February 28, 2025 by Anshul Gupta0% 0 votes, 0 avg 0 Motion (गति) Ch(7)Practice Quiz in Hindi Part – 1 || Class 9 Science Practice Quizzes in English 1 / 201. What is the SI unit of acceleration? A. km/h^2 B. cm/s^2 C. m/s^2 D. m/s Explanation: The SI unit of acceleration is meter per second squared m/s^2). 2 / 202. What does the area under a velocity-time graph represent? A. Acceleration B. Average speed C. Distance traveled D. Displacement Explanation: The area under a velocity-time graph represents the displacement of the object. 3 / 203. What is the formula for the speed of an object in uniform circular motion? A. v = πr^2t B. v = 2πr/t C. v = πr^2/t D. v = 2πrt Explanation: The speed of an object in uniform circular motion is given by v = 2?r/t, where r is the radius of the circular path and t is the time taken to complete one round. 4 / 204. What is the term for the total path length covered by an object? A. Velocity B. Distance C. Displacement D. Speed Explanation: The total path length covered by an object is referred to as distance. 5 / 205. What is the term for the motion of an object in a circular path with uniform speed? A. Rotational motion B. Non-uniform circular motion C. Uniform circular motion D. Straight-line motion Explanation: When an object moves in a circular path with uniform speed, it is called uniform circular motion. 6 / 206. What is the term for the change in velocity of an object per unit time? A. Velocity B. Speed C. Displacement D. Acceleration Explanation: Acceleration is the measure of the change in velocity of an object per unit time. 7 / 207. What does a velocity-time graph with a straight line parallel to the x-axis indicate? A. Non-uniform velocity B. Uniform velocity C. Non-uniform acceleration D. Uniform acceleration Explanation: A straight line parallel to the x-axis on a velocity-time graph indicates uniform velocity. 8 / 208. What does a distance-time graph represent? A. The change in acceleration of an object with time B. The force acting on an object with time C. The change in position of an object with time D. The change in velocity of an object with time Explanation: A distance-time graph represents how the position of an object changes over time. 9 / 209. What is the term for the shortest distance measured from the initial to the final position of an object? A. Displacement B. Velocity C. Speed D. Distance Explanation: Displacement is the shortest distance between the initial and final positions of an object. 10 / 2010. What is the relation between distance s), initial velocity u), final velocity v), and acceleration (a)? A. v = u + 2as B. v^2 = u^2 + as C. v^2 = u^2 + 2as D. v = u + as Explanation: This equation relates the final velocity, initial velocity, acceleration, and distance traveled for an object moving with uniform acceleration. 11 / 2011. What is the shape of the velocity-time graph for uniformly accelerated motion? A. A straight line B. A parabola C. A hyperbola D. A circle Explanation: The velocity-time graph for uniformly accelerated motion is a straight line. 12 / 2012. What is the relation between distance s), initial velocity u), time t), and acceleration (a)? A. s = ut + at^2 B. s = ut + 2at^2 C. s = ut + 1/2)at^2 D. s = u + 1/2)at^2 Explanation: This equation relates the distance traveled, initial velocity, time, and acceleration for an object moving with uniform acceleration. 13 / 2013. What is the quantity that specifies both speed and direction of motion? A. Acceleration B. Distance C. Velocity D. Displacement Explanation: Velocity is the quantity that specifies both speed and direction of motion. 14 / 2014. What does a straight-line distance-time graph indicate? A. Non-uniform speed B. Uniform speed C. Uniform acceleration D. Non-uniform acceleration Explanation: A straight-line distance-time graph indicates that the object is moving with uniform speed. 15 / 2015. How is average velocity calculated when the velocity of an object is changing at a uniform rate? A. By taking the arithmetic mean of initial and final velocity B. By dividing total distance traveled by total time taken C. By multiplying initial and final velocity D. By taking the square root of the sum of initial and final velocity Explanation: When velocity changes uniformly, the average velocity is the arithmetic mean of initial and final velocity. 16 / 2016. What is the motion of a freely falling body an example of? A. Non-uniform velocity B. Uniform velocity C. Non-uniform acceleration D. Uniform acceleration Explanation: A freely falling body experiences uniform acceleration due to gravity. 17 / 2017. What is the SI unit of speed? A. km/s B. m/s C. cm/s D. km/h Explanation: The SI unit of speed is meter per second m/s). 18 / 2018. What is the direction of motion of an object at any instant during uniform circular motion? A. Away from the center of the circle B. Tangential to the circular path C. Towards the center of the circle D. Perpendicular to the circular path Explanation: The direction of motion at any instant in uniform circular motion is tangential to the circular path. 19 / 2019. What is the simplest type of motion? A. Straight-line motion B. Circular motion C. Vibrational motion D. Rotational motion Explanation: The chapter focuses on describing motion along a straight line as the simplest type of motion. 20 / 2020. Can the magnitude of displacement be equal to the distance traveled by an object? A. Only in circular motion B. Only in non-uniform motion C. No D. Yes Explanation: The magnitude of displacement can be equal to the distance traveled, especially in cases of straight-line motion in one direction. Please insert your information to see your ranking अपनी Ranking जानने के लिए कृपया अपनी जानकारी भरे NamePhone Number Your score isThe average score is 0% 0% Restart quiz Category: Class 9 Science Quizzes in English
