51.  

Here are the graphs of of a moving body. Which of them is not suitable ?

(1).

(2). 

(3). 

(4). 

A. 1

B. 2

C. 3

D. 4

Answer : Option D

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52.  

In the figure there is a graph of velocity time for a particle. Which area shows the displacement covered by the particle after time t ?

A. Closed fig. AODCA

B. Closed fig. ABCA

C. Closed fig. AODCBA

D. none of above

Answer : Option C

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53.  

In the figure there is a graph of velocity time for a particle. Which part shows initial velocity of the particle ?

A. OA

B. AB

C. AC

D. AOA

Answer : Option A

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54.  

In the figure there is a graph of velocity time for a particle. How will you calculate the acceleration of the particle ?

A. taking length of AB

B. taking magnitude of BC

C. taking slope of AC

D. taking slope of AB

Answer : Option D

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55.  

Given graph shows relation between position and time. Find correct graph of acceleration  time

.1        .2     .3       .4

A. 1

B. 2

C. 3

D. 4

Answer : Option D

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