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Jee Main Advanced Physics Chapter Wise Mock Test
Motion In A Straight Line
Quiz 1
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Q.1
A particles moves with a constant velocity STATEMENT -1: Acceleration is zero for the particle STATEMENT -2: Average velocity is equal to instantaneous velocity STATEMENT -3: Average speed is equal to magnitude of instantaneous velocity STATEMENT -4: Position-time graph for the particle is a straight line which one of the following is correct?
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All the statement are correct
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Statement 1,2 and 4 are correct
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Statement 1,2 and 3 are correct
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Statement 2,3 and 4 are correct
Q.2
Match the column
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P->M,Q->L,R->L,S->L
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P->L,Q->M,R->L,S->L
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P->M,Q->M,R->L,S->L
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P->M,Q->L,R->M,S->L
Q.3
The magnitude of the displacement is never greater than the path length traversed by the object
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True
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False
Q.4
Two balls of different masses are dropped from the same point at same time.Which is of the following is false?
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Both the balls will reach the ground in same time
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Heavier ball will hit the ground first
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Both the balls will strike the ground with the same speed
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None of these
Q.5
Which of following statement is Incorrect?
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An object with a positive velocity will be represented on a position-time graph by a line with a positive slope
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An object with a negative velocity will be represented on a position-time graph by a line with a negative slope
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An object with zero velocity will be represented on a position-time graph by a line with zero slope
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None of these
Q.6
A person makes a round-trip journey, finishing where he started. The displacement for the trip is 0 and the distance is some nonzero value.
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True
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False
Q.7
The displacement -time graph of a moving particle is shown below.The instantaneous velocity of the particle is negative at the point
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A
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B
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C
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D
Q.8
Distance is a vector quantity and displacement is a scalar quantity ?
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True
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False
Q.9
Two statement are made STATEMENT -A: Displacement of the particle may be zero even if the distance covered by it is not zero STATEMENT -B: Displacement is the shortest distance between the initial and final position
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Both the statement are correct
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A is correct but B is incorrect
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A is incorrect but B is correct
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Both are incorrect
Q.10
Which of following statement is correct?
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The magnitude of the instantaneous velocity is equal to the instantaneous speed
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The magnitude of the average velocity is equal to the average speed
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Average acceleration is equal to change is speed per unit time
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none of these
Q.11
Mark the wrong statement
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Magnitude of displacement is always equal to distance traveled
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Area under velocity versus time graph with proper algebraic sign gives the displacement
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Speed can not be negative
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If velocity is constant,speed will be constant
Q.12
Match the column
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P->M,Q->L,R->L,S->L
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P->M,Q->M,R->L,S->N
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P->M,Q->M,R->L,S->O
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P->M,Q->N,R->M,S->O
Q.13
Average speed is defined as the distance traveled divided by time taken
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True
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False
Q.14
Which of the following option is correct?
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Mean Velocity=(vf + vi )/2
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Average acceleration =(vf - vi )/(t2 -t1)
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Displacement in a motion in a straight line with uniform acceleration is given by s=u + (1/2)at2
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None of these
Q.15
Two statement are made STATEMENT A: Average speed is not equal to the magnitude of average velocity in general STATEMENT B: Average velocity is a scalar while average speed is a vector quantity
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Both the statement are correct
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Statement A is correct only
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Statement B is correct only
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Both the statement A and B both are wrong
Q.16
A body is thrown upwards with certain velocity.Which of the following is Incorrect
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The body will experience retardation
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The body velocity will become zero at the peak point
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The time taken to reach the peak point is u/g
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None of these
Q.17
Instantaneous acceleration is defined as
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$ \frac {dx}{dt}$
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$ \frac {d^2x}{dt^2}$
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$ \frac { \Delta x}{ \Delta t}$
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None of these
Q.18
Average velocity in a round trip is zero
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True
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False
Q.19
Four statement are made for acceleration STATEMENT -1: Acceleration is a vector quantity STATEMENT -2: The slope of the velocity time graph gives the acceleration STATEMENT -3: Its direction is same as the change in velocity STATEMENT -4: $a=v \frac {dv}{dx}$ which one of the following is correct
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All the statement are correct
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Statement 1,2 and 4 are correct
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Statement 1,2 and 3 are correct
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Statement 2,3 and 4 are correct
Q.20
At a metro station, a girl walks up a stationary escalator in time a. If she remains stationary on the escalator, then the escalator take her up in time b. The time taken by her to walk up on the moving escalator will be
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$\frac {a+b}{2}$
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a+b
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$\frac {ab}{a- b}$
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$\frac {ab}{a+ b}$
0 h : 0 m : 1 s
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