NTSE SAT Physics Types Of Motion Distance and Displacement MCQs

Question: A particle experiences constant acceleration for 20 s after starting from rest. If it travels a distance X₁, in the first 10 s and distance X₂, in the remaining 10s, then which of the following is true ?

• a) X1 = 2X2   

• b) X1 = X2 

• c)  X2 = 3X1

• d) None of these

Answer: X2 = 3X1

Question: A particle experiences constant acceleration for 20 s after starting from rest. If it travels a distance X₁, in the first 10 s and distance X₂, in the remaining 10s, then which of the following is true ?

• a)

  X1 = 2X2   

• b)

  X1 = X2 

• c)

  X2 = 3X1

• d) None of these

Answer: X2 = 3X1

Question: A train passes over a 400 m long bridge. If the speed of the train is 30 m/s and the train takes 20s to cross the bridge, find the length of the train :

• a) 400 m
• b) 600 m
• c) 800 m
• d) 200 m

Answer: 200 m

Question: A ball is thrown up with a certain velocity. It attains a height of 40 m and comes back to the thrower. Then the :

• a) Total distance covered by it is 40 m
• b) Total displacement covered by it is 80 m
• c) Total displacement is zero
• d) Total distance covered by it is zero

Answer: Total displacement is zero

Question: From the top of a tower, a particle is projected upwards and it reaches the ground after 5 second. The initial velocity of the particle is 12 m/s, the height of the tower is :

• a) 55 m
• b) 65 m
• c) 75 m
• d) 85 m

Answer: 65 m

Question: Two bodies of different masses m_a and m_b are dropped from two different heights a and b. The ratio of times taken by the two bodies to drop through these distance is :

• a)

  

• b) a² : b²    
• c) a : b
• d)

  

Answer:

Question: A particle experiences a constant accelerating force after starting from rest. If it travels a distance x in the first two seconds and distance y in next two seconds, then :

• a) y = 4x
• b) y = 3x
• c) y = 2x
• d) y = x

Answer: y = 3x

Question: A lead ball and a snow ball of identical radius are released from a certain height in vacuum. The time taken by both of them to reach the ground are :

• a) Unequal
• b) Exactly equal
• c) Roughly equal
• d) In the ratio of the density of lead and snow

Answer: Exactly equal

Question: Which of the following curves do not represent motion in one dimension : (v = velocity, t = time)

• a)

  

• b)

  

• c)

  

• d)

  

Answer:

Question: A girl swims in a swimming pool of length 100m. She swims from one end to another end and reaches the starting point again in 2 minutes the average speed of the swimmer is :

• a) 100 ms^-1     
• b) 0.83 ms^-1                      
• c) 1.67 ms^-1  
• d) Zero

Answer: 1.67 ms^-1  

Question: A device used to measure the distance is known as :

• a) Speedometer
• b) Sonometer
• c) Odometer
• d) Galvanometer

Answer: Odometer

Question: For the velocity time graph shown in figure the distance covered by the body in the last two seconds of its motion is what fraction of the total distance covered ?

• a) 1/2
• b) 1/4
• c) 1/3
• d) 2/3

Answer: 1/4

Question: The velocity-time graph of a body moving in a straight line is shown in figure. The displacement and distance traveled by the body in 6 seconds are respectively :

• a) 16 m, 8 m
• b) 8 m, 16 m
• c) 16 m , 16 m
• d) 8 m, 8 m

Answer: 8 m, 16 m

Question: A device used to measure the distance is known as

• a) Speedometer
• b) Sonometer
• c) Odometer
• d) Galvanometer

Answer: Odometer

Question: A particle experiences a constant accelerating force after starting from rest. If it travels a distance x in the first two seconds and distance y in next two seconds, then :

• a) y = 4x
• b) y = 3x
• c) y = 2x
• d) y = x

Answer: y = 3x