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Test Series-6





Instructions

  • Your test contains 10 multiple choice questions with only one answer
  • This is 15 min test.Please make sure you complete it in stipulated time
  • You can Finish this test any time using 'Submit' button.
  • Once finished you get a chance to review all question with correct answers .



1.Average speed is defined as the distance travelled divided by time taken
  • True
  • False

2.Instantanous acceleration is defined as
  • dx/dt
  • d2x/dt2
  • Δx/Δt
  • None of these

3.Average velocity in a round trip is zero
  • True
  • false

4.A body is thrown upwards with certain velocity.Which of the following is Incorrect
  • The body will experience retardation
  • The body velocity will become zero at the peak point
  • The time taken to reach the peak point is u/g
  • None of these


5.Mark the wrong statement
  • Magnitude of displacement is always equal to distance travelled
  • Area under velocity versus time graph with proper alegebric sign gives the displacement
  • Speed can not be negative
  • If velocity is constant,speed will be constant

6.Two statement are made
STATEMENT 1: Average speed is not equal to the magnitude of average velocity in general
STATEMENT 2: Average velocity is a scalar while average speed is a vector quantity
  • Both the statement are correct
  • Statement A is correct only
  • Statement B is correct only
  • A and B both are wrong

7.Which of following statement is Incorrect
  • Acceleration is said to be constant when both direction and magnitude are constant
  • A body may have zero instantatnous velocity but finite acceleration
  • Instantanous velocity is defined as limΔt->0 Δr/Δt
  • None of these

8.Four statement are made for acceleration
STATEMENT -1: Accerleration is a vector quantity
STATEMENT -2: The slope of the velocity time graph gives the accleration
STATEMENT -3: Its direction is same as the change in velocity
STATEMENT -4: a=vdv/dx
which one of the following is correct
  • All the statement are correct
  • Statement 1,2 and 4 are correct
  • Statement 1,2 and 3 are correct
  • Statement 2,3 and 4 are correct

9.Which of the following option is correct
  • Mean Velocity= (vf + vi )/2
  • Average acceleration =(v2 + v1 )/(t2 -t1)
  • Displacement in a motion in a staright with uniform acceleration is given by s=u + (1/2)at2None of these

10.Match the column
Column I Column II
P) Speed L) MLT-2
Q)velocity M)MLT-1
R) Acceleration N)MLT0
S)Displacement O) MLT2
  • P->M,Q->L,R->L,S->L
  • P->M,Q->M,R->L,S->N
  • P->M,Q->M,R->L,S->O
  • P->M,Q->N,R->M,S->O



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