[Class 11th - Physics - Motion in a Straight Line - MERIT YARD]

[Class 11th - Physics - Motion in a Straight Line - MERIT YARD]

Question 1 / 40Which of the following is a vector quantity?

A) Speed

B) Distance

C) Displacement

D) Time

Question 2 / 40The rate of change of displacement is called:

A) Speed

B) Acceleration

C) Velocity

D) Momentum

Question 3 / 40What does the slope of a Position-Time graph represent?

A) Acceleration

B) Velocity

C) Displacement

D) Force

Question 4 / 40Can distance traveled by an object be zero if displacement is non-zero?

A) Yes

B) No

C) Only in vacuum

D) Depends on time

Question 5 / 40The area under a Velocity-Time graph represents:

A) Acceleration

B) Speed

C) Displacement

D) Force

Question 6 / 40What is the SI unit of Acceleration?

A) m/s

B) m/s²

C) km/hr

D) m²

Question 7 / 40If an object moves with constant velocity, its acceleration is:

A) Positive

B) Negative

C) Zero

D) Infinite

Question 8 / 40Which equation represents the velocity-time relation?

A) s = ut + ½at²

B) v² - u² = 2as

C) v = u + at

D) s = vt

Question 9 / 40A body starting from rest has an initial velocity (u) of:

A) 10 m/s

B) 0 m/s

C) 9.8 m/s

D) Infinite

Question 10 / 40Retardation is also known as:

A) Positive Acceleration

B) Negative Acceleration

C) Zero Acceleration

D) Uniform Velocity

Question 11 / 40For an object thrown upwards, the velocity at the highest point is:

A) Maximum

B) 9.8 m/s

C) Zero

D) Same as initial velocity

Question 12 / 40The ratio of displacement to distance is always:

A) > 1

B) < 1

C) Equal to or less than 1

D) Always 1

Question 13 / 40Speedometer of a car measures:

A) Average Speed

B) Instantaneous Speed

C) Acceleration

D) Velocity

Question 14 / 40The slope of a Velocity-Time graph gives:

A) Displacement

B) Acceleration

C) Distance

D) Force

Question 15 / 40If a particle covers equal distances in equal intervals of time, it is said to have:

A) Uniform Speed

B) Non-uniform Speed

C) Uniform Acceleration

D) Variable Velocity

Question 16 / 40What is the value of acceleration due to gravity (g) near Earth's surface?

A) 100 m/s²

B) 8.9 m/s²

C) 9.8 m/s²

D) 0 m/s²

Question 17 / 40Free fall is an example of:

A) Uniform Velocity

B) Uniformly Accelerated Motion

C) Zero Acceleration

D) Non-uniform Acceleration

Question 18 / 40If an object returns to its starting point, its displacement is:

A) Positive

B) Negative

C) Maximum

D) Zero

Question 19 / 40Equation s = ut + ½at² is used to calculate:

A) Velocity

B) Time

C) Position / Displacement

D) Acceleration

Question 20 / 40Which of the following cannot be negative?

A) Velocity

B) Acceleration

C) Distance

D) Displacement

Question 21 / 40A body moving in a straight line with negative acceleration will:

A) Speed up

B) Slow down

C) Stop immediately

D) Move with constant speed

Question 22 / 40Odometer in vehicles measures:

A) Distance travelled

B) Speed

C) Displacement

D) Fuel

Question 23 / 40Relative velocity of two bodies moving in the SAME direction with speeds v1 and v2 is:

A) v1 + v2

B) v1 - v2

C) v1 * v2

D) 0

Question 24 / 40Relative velocity of two bodies moving in OPPOSITE directions is:

A) v1 + v2

B) v1 - v2

C) v1 / v2

D) v1 * v2

Question 25 / 40Average speed is defined as:

A) Total displacement / Total time

B) Total distance / Total time

C) (u+v)/2

D) Rate of change of velocity

Question 26 / 40A car accelerates from 0 to 20 m/s in 10 seconds. What is its acceleration?

A) 1 m/s²

B) 2 m/s²

C) 0.5 m/s²

D) 20 m/s²

Question 27 / 40Which graph represents an object at rest?

A) x-t graph is a straight line inclined to time axis

B) x-t graph is a straight line parallel to time axis

C) v-t graph is a straight line inclined to time axis

D) v-t graph is a curve

Question 28 / 40Velocity is a ________ quantity.

A) Scalar

B) Vector

C) Tensor

D) None

Question 29 / 40The equations of motion are valid only for:

A) Variable Acceleration

B) Circular Motion

C) Constant (Uniform) Acceleration

D) Zero Velocity

Question 30 / 40If a stone is dropped from a height, its initial velocity (u) is:

A) 9.8 m/s

B) 0

C) Maximum

D) 100 m/s

Question 31 / 40If acceleration is zero, the velocity-time graph is:

A) A line inclined to x-axis

B) A parabola

C) A straight line parallel to time axis

D) A curved line

Question 32 / 40Displacement can be:

A) Positive

B) Negative

C) Zero

D) All of the above

Question 33 / 40The area under Acceleration-Time graph gives:

A) Distance

B) Displacement

C) Change in Velocity

D) Speed

Question 34 / 40Which of the following is NOT an equation of motion?

A) v = u + at

B) v² - u² = 2as

C) s = ut + ½at²

D) v = u + as

Question 35 / 40A ball thrown up takes 2 seconds to reach the top. Total time of flight is:

A) 2s

B) 4s

C) 1s

D) 6s

Question 36 / 40The path length traveled by a body is called:

A) Displacement

B) Distance

C) Acceleration

D) Velocity

Question 37 / 40In which motion is distance equal to the magnitude of displacement?

A) Circular motion

B) Motion in a straight line without changing direction

C) Motion with turning back

D) Pendulum motion

Question 38 / 4018 km/h is equal to:

A) 10 m/s

B) 18 m/s

C) 5 m/s

D) 20 m/s

Question 39 / 40Instantaneous speed is measured over a:

A) Long time interval

B) Very short (infinitesimal) time interval

C) Zero time

D) Infinite time

Question 40 / 40Acceleration is defined as:

A) Rate of change of distance

B) Rate of change of displacement

C) Rate of change of velocity

D) Rate of change of speed