question_answer1) Unit of acceleration is
A) m/s
B) ms
C) \[\text{m}/{{\text{s}}^{\text{2}}}\]
D) none of these
View Answer play_arrowA) zero
B) 24 m/s
C) 25 m/s
D) none of these
View Answer play_arrowA) Increasing
B) decreasing
C) Constant
D) none of these
View Answer play_arrowquestion_answer4) Velocity-time graph of a body with uniform velocity is a straight line
A) Parallel to x-axis
B) Parallel to 3/-axis
C) Inclined to x-axis
D) Inclined to y-axis
View Answer play_arrowquestion_answer5) Distance travelled by a freely falling body is proportional to
A) Mass of the body
B) Square of the acceleration due to gravity
C) Square of the time of fall
D) Time of fall
View Answer play_arrowquestion_answer6) The rate of change of displacement with time is
A) Speed
B) acceleration
C) Retardation
D) velocity
View Answer play_arrowquestion_answer7) Which of the following is not vector quantity?
A) Retardation
B) Acceleration due to gravity
C) Average speed
D) Displacement
View Answer play_arrowA) Infinity
B) Unity
C) Equal to acceleration of the body
D) Zero
View Answer play_arrowquestion_answer9) In the velocity-time graph, AB shows that the body has
A) Uniform acceleration
B) Non-uniform retardation
C) Uniform speed
D) Initial velocity OA and is moving with uniform retardation
View Answer play_arrowquestion_answer10) In the given velocity-time graph, AB shows that the body has
A) Uniform acceleration
B) Uniform retardation
C) Uniform velocity throughout its motion and has zero initial velocity
D) None of these
View Answer play_arrowA) 50 m
B) 40 m
C) 30 m
D) 20 m
View Answer play_arrowA) 1:2
B) \[1:\sqrt{3}\]
C) \[\sqrt{3}:1\]
D) 1:3
View Answer play_arrowquestion_answer13) In the given figure, velocity of the body at A is
A) Zero
B) unity
C) Maximum
D) infinite
View Answer play_arrowquestion_answer14) The velocity-time graph for a body with non-uniform motion is a straight line
A) Straight line
B) Straight line parallel to \[x\]-axis
C) Straight line parallel to y-axis
D) Curved line
View Answer play_arrowquestion_answer15) Area under a velocity-time graph gives
A) Time taken by a moving object
B) Distance travelled by a moving object
C) Acceleration of moving object
D) Retardation of a moving object
View Answer play_arrowA)
B)
C)
D) None of these
View Answer play_arrowA) \[\text{a cos t}\]
B) \[-\text{ a cos t}\]
C) \[\text{a sin t}\]
D) \[-\text{ a sin t}\]
View Answer play_arrowA) 8 sec
B) 10 sec
C) 12 sec
D) 16 sec
View Answer play_arrowA) - 5 m/ sec
B) - 3 m/sec
C) 6 m/sec
D) 3 m/sec
View Answer play_arrowA) \[u=\frac{{{u}_{1}}+{{u}_{2}}}{2}\]
B) \[u=\sqrt{{{u}_{1}}{{u}_{2}}}\]
C) \[u=\sqrt{\frac{{{u}_{1}}}{{{u}_{2}}}}\]
D) \[\frac{2}{u}=\frac{1}{{{u}_{1}}}+\frac{1}{{{u}_{2}}}\]
View Answer play_arrowA) \[v=u+a{{t}^{2}}\]
B) \[v=u+\frac{a{{t}^{2}}}{2}\]
C) \[v=u+at\]
D) \[v=u\]
View Answer play_arrowA) \[\frac{{{u}^{2}}}{2g}\]
B) \[\frac{u}{2g}\]
C) \[2{{u}^{2}}g\]
D) none of these
View Answer play_arrowA) 16 m/s
B) 15 m/s
C) 14 m/s
D) 12m/s
View Answer play_arrowA) 1.043s
B) 1.43
C) 1.024s
D) None of these
View Answer play_arrowA) \[\text{2 m}/{{\text{s}}^{\text{2}}}\]
B) \[~\text{3 m }/{{\text{s}}^{\text{2}}}\]
C) \[\text{4 m}/{{\text{s}}^{\text{2}}}\]
D) \[~\text{6 m}/{{\text{s}}^{\text{2}}}\]
View Answer play_arrowA) 900m
B) 1800m
C) 2700m
D) 3600 m
View Answer play_arrowA) 4 km/hr
B) 6 km/hr
C) 12 km/hr
D) 18 km/hr
View Answer play_arrowA) \[\frac{2}{n}-\frac{1}{{{n}^{2}}}\]
B) \[\frac{1}{{{n}^{2}}}-\frac{1}{n}\]
C) \[\frac{2}{{{n}^{2}}}-\frac{1}{n}\]
D) \[\frac{2}{n}-\frac{1}{{{n}^{2}}}\]
View Answer play_arrowA) 2.0 km/hr
B) 2.5 km/hr
C) 3 km/hr
D) 3.5 km/hr
View Answer play_arrowA) \[\text{3}.\text{125 m}/{{\text{s}}^{\text{2}}}\]
B) \[\text{3}.\text{5 m}/{{\text{s}}^{\text{2}}}\]
C) \[\text{2}.\text{75 m}/{{\text{s}}^{\text{2}}}\]
D) \[\text{3}.0\text{ m}/{{\text{s}}^{\text{2}}}\]
View Answer play_arrowA) 36m
B) 27m
C) 18 m
D) 9 m
View Answer play_arrowA) 5.2 s
B) 1.3 s
C) 2.6 s
D) 0.70 s
View Answer play_arrowA) \[\frac{2h}{v}\]
B) \[\sqrt{\frac{2h}{v}}+\frac{h}{g}\]
C) \[\sqrt{\frac{2h}{g}}+\frac{h}{v}\]
D) \[\sqrt{\frac{h}{2g}}+\frac{2h}{v}\]
View Answer play_arrowA) 0.09 sec
B) 0.9 sec
C) 2.1 sec
D) 1.3 sec
View Answer play_arrowA) 8 m/sec
B) 4 m/sec
C) 6 m/sec
D) 7 m/sec
View Answer play_arrowA) 40 cm/sec
B) 20 cm/sec
C) 10 cm/sec
D) 5 cm/sec
View Answer play_arrowA) 120 min
B) 160mm
C) 200 min
D) None of these
View Answer play_arrowA) \[{{h}_{1}}:{{h}_{2}}\]
B) \[{{h}_{2}}/{{h}_{1}}\]
C) \[{{\sqrt{h}}_{1}}:\sqrt{{{h}_{2}}}\]
D) \[{{h}^{2}}_{1}:{{h}^{2}}_{2}\]
View Answer play_arrowA) \[\text{21}00\text{m}/{{\text{s}}^{\text{2}}}\]
B) \[\text{14}00\text{ m}/{{\text{s}}^{\text{2}}}\]
C) \[\text{7}00\text{ m}/{{\text{s}}^{\text{2}}}\]
D) \[~\text{4}00\text{ m}/{{\text{s}}^{\text{2}}}\]
View Answer play_arrowA) \[\frac{3{{u}^{2}}}{g}\]
B) \[\frac{4{{u}^{2}}}{g}\]
C) \[\frac{6{{u}^{2}}}{g}\]
D) \[\frac{9{{u}^{2}}}{g}\]
View Answer play_arrowquestion_answer41) SI unit for the average velocity is
A) m/s
B) km/s
C) cm/s
D) none of these
View Answer play_arrowquestion_answer42) SI unit of the resultant velocity is
A) m/s
B) km/s
C) cm/s
D) none of these
View Answer play_arrowquestion_answer43) SI unit of the angular velocity is
A) m/s
B) rad
C) rad /s
D) m/rad
View Answer play_arrowquestion_answer44) N \[\text{k}{{\text{g}}^{\text{-1}}}\]is the unit of
A) Retardation
B) Acceleration
C) Rate of change of velocity
D) All of! These
View Answer play_arrowA) 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
View Answer play_arrowquestion_answer46) Acceleration of a body projected upwards with a certain velocity is
A) \[\text{9}.\text{8 m}/{{\text{s}}^{\text{2}}}\]
B) \[-\text{ 9}.\text{8 m}/{{\text{s}}^{\text{2}}}\]
C) Zero
D) Insufficient data
View Answer play_arrowA) Flies off tangentially
B) Moves radially inward
C) Moves radially outward
D) None of these
View Answer play_arrowA) \[2t(a+b)\]
B) \[2t\sqrt{{{a}^{2}}+{{b}^{2}}}\]
C) \[2t\left( \sqrt{{{a}^{2}}-{{b}^{2}}} \right)-2t\left( \sqrt{{{a}^{2}}-{{b}^{2}}} \right)\]
D) \[\sqrt{{{a}^{2}}+{{b}^{2}}}\]
View Answer play_arrowA) 0.2 Newton
B) 2.0 Newton
C) 0.02 Newton
D) 20.0 Newton
View Answer play_arrowA) 112 m/s
B) 11.2 m/s
C) \[\frac{0.64\times 20}{1000}m/s\]
D) \[\frac{1000}{0.64\times 20}m/s\]
View Answer play_arrowA) \[\text{34}0\text{ cm}/{{\text{s}}^{\text{2}}}\]
B) \[\text{34 cm}/{{\text{s}}^{\text{2}}}\]
C) \[\text{3}.\text{4 cm}/{{\text{s}}^{\text{2}}}\]
D) \[0.\text{34 cm}/{{\text{s}}^{\text{2}}}\]
View Answer play_arrowquestion_answer52) In the previous question, the velocity
A) Increases between point 0 and A
B) Increases between point A and B
C) Decre ases between points A and B
D) Is zero through out
View Answer play_arrowquestion_answer53) A body moving along a circular path has
A) a constant speed
B) A constant velocity
C) No tangential velocity
D) No radial acceleration
View Answer play_arrowA) \[\text{87}{{\pi }^{\text{2}}}\text{ m}/{{\text{s}}^{\text{2}}}\]
B) \[\text{8}0\text{ }{{\pi }^{\text{2}}}\text{ m}/{{\text{s}}^{\text{2}}}\]
C) \[\text{8}00\text{ }{{\pi }^{\text{2}}}\text{ m}/{{\text{s}}^{\text{2}}}\]
D) none of these
View Answer play_arrowA) \[{{\omega }_{\min }}=\sqrt{\frac{g}{\mu r}}\]
B) \[{{\omega }_{\min }}=\sqrt{\frac{\mu r}{g}}\]
C) \[{{\omega }_{\min }}=\sqrt{\frac{2g}{\mu r}}\]
D) \[{{\omega }_{\min }}=\sqrt{\frac{gr}{\mu }}\]
View Answer play_arrowA) \[\text{3}.0\text{ m}/{{\text{s}}^{\text{2}}}\]
B) \[\text{2}.\text{7 m}/{{\text{s}}^{\text{2}}}\]
C) \[\text{1}.\text{8 m}/{{\text{s}}^{\text{2}}}\]
D) \[\text{2}.\text{5 m}/{{\text{s}}^{\text{2}}}\]
View Answer play_arrowA) At the top of the circle
B) At the bottom of the circle
C) Half-way down
D) None of these
View Answer play_arrowA) 1 sec
B) 10 sec
C) 8 sec
D) 4 sec
View Answer play_arrowA)
B)
C)
D)
View Answer play_arrowquestion_answer60) Unit for the rate of change of velocity is
A) m/s
B) \[\text{m}/{{\text{s}}^{\text{2}}}\]
C) N s
D) N / s
View Answer play_arrowA) 22 cm/ sec
B) 44 cm/sec
C) 48 cm/sec
D) 52 cm/sec
View Answer play_arrowA) \[\frac{{{v}^{2}}b}{Rg}\]
B) \[\frac{vb}{Rg}\]
C) \[\frac{v{{b}^{2}}}{Rg}\]
D) \[\frac{vb}{{{R}^{2}}g}\]
View Answer play_arrowA) 20 m / s
B) \[10\sqrt{3}m/s\]
C) \[50\sqrt{2}m/s\]
D) 10 m / s
View Answer play_arrowA)
B)
C)
D)
View Answer play_arrowA) \[\pi r\]
B) \[2\pi r\]
C) \[2r\]
D) \[\frac{2\pi }{r}\]
View Answer play_arrowA) \[\pi r\]
B) \[2\pi r\]
C) 2r
D) \[\frac{2\pi }{r}\]
View Answer play_arrowquestion_answer67) The relationship between average speed, time and distance is
A) Average speed = distance x time
B) \[\text{Average}\,\text{Speed=}\frac{\text{Total}\,\text{distance}}{\text{Total}\,\text{time}}\]
C) Time = average speed/distance
D) Distance = average speed x time
View Answer play_arrowquestion_answer68) A body moving along a circular path has
A) both constant speed
B) constant velocity
C) no radial acceleration
D) no tangential velocity
View Answer play_arrowA) 2 : 1
B) 1 : 1
C) 1 : cos \[\text{ }\!\!\theta\!\!\text{ }\]
D) 1 : sec \[\text{ }\!\!\theta\!\!\text{ }\]
View Answer play_arrowA) \[n=\frac{2h{{u}^{2}}}{g{{b}^{2}}}\]
B) \[n=\frac{2hu}{g{{b}^{2}}}\]
C) \[n=\frac{2{{b}^{2}}}{2h{{u}^{2}}}\]
D) \[n=\frac{g{{b}^{2}}}{2hu}\]
View Answer play_arrowA) Constant speed
B) Zero velocity
C) Constant acceleration
D) Uniform velocity
View Answer play_arrowquestion_answer72) Speed of a body describing its motion is
A) Direction
B) state
C) Type
D) rapidity
View Answer play_arrowA)
B)
C)
D)
View Answer play_arrowA) 100 m/sec
B) 400 m/sec
C) 550 m/sec
D) 700 m/sec
View Answer play_arrowA)
B)
C)
D)
View Answer play_arrowquestion_answer76) A rubber ball dropped from a certain height is an example of
A) uniform acceleration
B) uniform retardation
C) uniform speed
D) non-uniform speed
View Answer play_arrowquestion_answer77) If the velocity of a body does not change, its acceleration is
A) Zero
B) infinite
C) Unity
D) none of these
View Answer play_arrowA) 3 km
B) 6 km
C) 3 m/s
D) 4 m/s
View Answer play_arrowA) 1 m/s
B) 2 m/s
C) 3 m/s
D) 4 m/s
View Answer play_arrowquestion_answer80) Ratio of the SI units to CGS units of retardation is
A) \[\text{1}{{0}^{-\text{2}}}~~~~~~~~~~~~~~\]
B) \[\text{1}{{0}^{\text{2}}}\]
C) 10
D) \[\text{1}{{0}^{-\text{1}}}\]
View Answer play_arrowquestion_answer81) Physical quantity corresponding to the rate of change of displacement is
A) Speed
B) velocity
C) Acceleration
D) retardation
View Answer play_arrowquestion_answer82) Velocity of a body at rest is always
A) Unity
B) Negative
C) Zero
D) Infinite
View Answer play_arrowA) Zero velocity
B) Constant speed
C) Constant acceleration
D) Uniform velocity
View Answer play_arrowYou need to login to perform this action.
You will be redirected in
3 sec