Which of the following is not a vector quantity? (1) Acceleration (2) Electric current (3) Force (4) Velocity

Which of the following is not a vector quantity? (1) Acceleration (2) Electric current (3) Force (4) Velocity
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(2) Electric current Explanation: For a physical quantity to be termed a vector quantity, having magnitude and direction is not enough.
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If we want to calculate the pressure of a liquid at the bottom of a vessel, the quantity which is not required to determine it, is – (1) Height of the liquid column (2) Surface area of the bottom of the vessel (3) Density of the liquid (4) Acceleration due to gravity at the bottom of the vessel

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If we want to calculate the pressure of a liquid at the bottom of a vessel, the quantity which is not required to determine it, is (1) Height of the liquid column (2) Surface area of the bottom of the vessel (3) Density of the liquid (4) Acceleration due to gravity at the bottom of the vessel

Description : If we want to calculate the pressure of a liquid at the bottom of a vessel, the quantity which is not required to determine it, is (1) Height of the liquid column (2) Surface area of the bottom of the vessel (3) Density of the liquid (4) Acceleration due to gravity at the bottom of the vessel

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Description : An electron moving with a velocity of 5 10 3 m / s enters into a uniform electric field and acquires a uniform acceleration of 10 3 m / s 2 in the direction of initial velocity. i. ... which electron velocity will be doubled.? ii. How much distance electron would cover in this time.? -Science

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If two bodies, one heavy and one light, are acted upon by the same force for the same time, then both bodies acquire the same (a) velocity (b) momentum (c) acceleration (d) speed

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Last Answer : Ans:(b)

A particle is acted upon by a force of constant magnitude which is always perpendicular to the velocity of the particle. The motion of the particle takes place in a plane. It follows that (a) Its velocity is constant (b) Its acceleration is constant (c) Its kinetic energy is constant (d) It moves in a circular path

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Correct example of vector quantities could be A. Distance and Speed B. Displacement and Velocity C. Distance and Displacement D. Speed and Velocity

Description : Correct example of vector quantities could be A. Distance and Speed B. Displacement and Velocity C. Distance and Displacement D. Speed and Velocity

Last Answer : Displacement and Velocity

For body moving with non-uniform velocity and uniform acceleration – (1) Displacement – Time graph (2) Displacement – Time graph (3) Velocity - Time graph is non-linear (4) Velocity - Time graph is linear

Description : For body moving with non-uniform velocity and uniform acceleration – (1) Displacement – Time graph (2) Displacement – Time graph (3) Velocity - Time graph is non-linear (4) Velocity - Time graph is linear

Last Answer : (2) Displacement - Time graph Explanation: Displacement-time graph is non linear. Linear motion (also called rectilinear motion) is motion along a straight line, and can therefore be described ... linear motion with variable velocity or non-zero acceleration. The motion of a particle (a point

The motion of a body around a circular path is an example of – (1) Uniform velocity, variable acceleration (2) Uniform speed, uniform velocity (3) Uniform speed, variable velocity (4) Uniform speed, variable acceleration

Description : The motion of a body around a circular path is an example of – (1) Uniform velocity, variable acceleration (2) Uniform speed, uniform velocity (3) Uniform speed, variable velocity (4) Uniform speed, variable acceleration

Last Answer : (1) Uniform velocity, variable acceleration Explanation: Uniform circular motion occurs when a body moves in a circular path with constant velocity.

A particle is thrown vertically upward. When it reaches the highest point, it has – (1) a downward acceleration (2) an upward acceleration (3) a downward velocity (4) a horizontal velocity

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The first equation of motion gives the relation between : (1) Position and time (2) Position and Velocity (3) Velocity and time (4) Velocity and acceleration

Description : The first equation of motion gives the relation between : (1) Position and time (2) Position and Velocity (3) Velocity and time (4) Velocity and acceleration

Last Answer : (3) Velocity and time Explanation: The equation v = u + at is called Newton's first equation of motion, where, u = Initial velocity, v = Final velocity, a = acceleration and t = time.

The rate of change of displacement is called: (1) Acceleration (2) Speed (3) Distance (4) Velocity

Description : The rate of change of displacement is called: (1) Acceleration (2) Speed (3) Distance (4) Velocity

Last Answer : (4) Velocity Explanation: In considering motions of objects over time the instantaneous velocity of the object is the rate of change of the displacement as a function of time.

A body moving in a circular path with a constant speed has a – (1) constant velocity (2) constant acceleration (3) constant kinetic energy (4) constant displacement

Description : A body moving in a circular path with a constant speed has a – (1) constant velocity (2) constant acceleration (3) constant kinetic energy (4) constant displacement

Last Answer : (3) constant kinetic energy Explanation: In circular motion, the magnitude of the velocity of the body is constant but the direction is constantly changing. This means that, even though the speed is ... accelerating. At any instant, the direction of the velocity is a tangent to the circular path.