Motion A person takes time t to go once around a circular path of diameter 2R.
The speed (v) of this person would be -
(1) t / 2pR
(2) 2pR / t
(3) pR2 / t
(4) 2 pRt
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 2 Solution : -. |
Motion A car accelerates uniformly from 18 km/h to 36km/ h in 5 s. The acceleration in ms–2
is -
(1) 1
(2) 2
(3) 3
(4) 4
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 1 Solution : -. |
Motion A car travels (1 / 4) th of a circle with radius r. The ratio of the distance to its displacement is-
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 2 Solution : -. |
Motion Which of the following is not characteristic of displacement ?
(1) It is always positive.
(2) It has both magnitude and direction.
(3) It can be zero.
(4) Its magnitude is less than or equal to the actual path length of the object.
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 1 Solution : -. |
Motion A body is moving with uniform velocity of 10 ms–1
The velocity of the body after 10 s is -
(1) 100 ms–1
(2) 50 ms–1
(3) 10 ms–1
(4) 5 ms–1
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 3 Solution : -. |
Motion Distance covered by a body from velocity-time graph is
(1)
Equal to the slope of the graph.
(2)
Area under the graph .
(3)
Is de note d by a line parallel to the time axis at any point on the distance
axis.
(4)
Is denoted by a line parallel to the distance axis at any point on the time axis
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 2 Solution : -. |
Motion 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 in all the seven seconds ?
(1) 1/2
(2) 1/4
(3) 1/3
(4) 2/3
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 2 Solution : -. |
Motion In 10 minutes, a car with speed of 60 kmh–1
travels a distance of -
(1) 6 km
(2) 600 km
(3) 10 km
(4) 7 km
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 3 Solution : -. |
Motion The displacement covered by a seconds’ hand of radius r in a clock after
one revolution is:
(1) 360 degree
(2) zero
(3) 3r
(4) 2r
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 2 Solution : -. |
