NEET EXAM🔥
Which of the following velocity-time graphs represents uniform motion?
Which of the following velocity-time graphs represents uniform motion?
Anonymous Quiz
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A straight line inclined to the time axis
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A straight line parallel to the time axis
0%
A parabola
0%
A curve passing through origin
NEET EXAM🔥
A stone falls freely under gravity. It covers distances $h_1, h_2$ and $h_3$ in the first 5 seconds, the next 5 seconds and the next 5 seconds respectively. The relation between $h_1, h_2$ and $h_3$ is:
A stone falls freely under gravity. It covers distances $h_1, h_2$ and $h_3$ in the first 5 seconds, the next 5 seconds and the next 5 seconds respectively. The relation between $h_1, h_2$ and $h_3$ is:
Anonymous Quiz
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$h_1 = h_2 = h_3$
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$h_1 = 2h_2 = 3h_3$
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$h_1 = \frac{h_2}{3} = \frac{h_3}{5}$
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$h_2 = 3h_1$ and $h_3 = 3h_2$
NEET EXAM🔥
Preeti reached the metro station and found that the escalator was not working. She walked up the stationary escalator in time $t_1$. On other days, if she remains stationary on the moving escalator, then the escalator takes her up in time $t_2$. The time taken by her to walk up on the...
Preeti reached the metro station and found that the escalator was not working. She walked up the stationary escalator in time $t_1$. On other days, if she remains stationary on the moving escalator, then the escalator takes her up in time $t_2$. The time taken by her to walk up on the...
Anonymous Quiz
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$\frac{t_1 + t_2}{2}$
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$\frac{t_1 t_2}{t_2 - t_1}$
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$\frac{t_1 t_2}{t_2 + t_1}$
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$t_1 - t_2$
NEET EXAM🔥
The area under the acceleration-time graph represents:
The area under the acceleration-time graph represents:
Anonymous Quiz
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Displacement
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Change in velocity
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Velocity
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Distance travelled
NEET EXAM🔥
If the magnitude of the scalar product of two vectors is equal to the magnitude of their vector product, then the angle between them is:
If the magnitude of the scalar product of two vectors is equal to the magnitude of their vector product, then the angle between them is:
Anonymous Quiz
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$30^{\circ}$
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$45^{\circ}$
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$60^{\circ}$
0%
$90^{\circ}$
NEET EXAM🔥
For a projectile fired at an angle $\theta$ with the horizontal, the maximum height H is related to the horizontal range R by the relation $R = 4H \cot \theta$. If the horizontal range is equal to 4 times the maximum height, the angle of projection is:
For a projectile fired at an angle $\theta$ with the horizontal, the maximum height H is related to the horizontal range R by the relation $R = 4H \cot \theta$. If the horizontal range is equal to 4 times the maximum height, the angle of projection is:
Anonymous Quiz
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$30^{\circ}$
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$45^{\circ}$
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$60^{\circ}$
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$90^{\circ}$
NEET EXAM🔥
A particle is moving in a uniform circular motion with constant speed v and radius r. The acceleration of the particle is:
A particle is moving in a uniform circular motion with constant speed v and radius r. The acceleration of the particle is:
Anonymous Quiz
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Zero
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$\frac{v^2}{r}$ directed outwards
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$\frac{v^2}{r}$ directed towards the center
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Constant vector
NEET EXAM🔥
Two bullets are fired with the same speed at angles $\theta$ and $(90^{\circ} - \theta)$ with the horizontal. The ratio of their horizontal ranges is:
Two bullets are fired with the same speed at angles $\theta$ and $(90^{\circ} - \theta)$ with the horizontal. The ratio of their horizontal ranges is:
Anonymous Quiz
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$1 : 1$
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$1 : 2$
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$1 : \tan \theta$
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$1 : \sin \theta$
NEET EXAM🔥
At the highest point of a projectile's trajectory, the angle between the velocity vector and the acceleration vector is:
At the highest point of a projectile's trajectory, the angle between the velocity vector and the acceleration vector is:
Anonymous Quiz
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$0^{\circ}$
0%
$45^{\circ}$
0%
$90^{\circ}$
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$180^{\circ}$
NEET EXAM🔥
Which of the following quantities remains constant during uniform circular motion?
Which of the following quantities remains constant during uniform circular motion?
Anonymous Quiz
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Velocity
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Acceleration
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Kinetic Energy
100%
Momentum
NEET EXAM🔥
A boat crosses a river flowing with velocity $v_r$ perpendicular to the flow with a velocity $v_b$ relative to the water. The width of the river is $d$. The time taken to cross the river is:
A boat crosses a river flowing with velocity $v_r$ perpendicular to the flow with a velocity $v_b$ relative to the water. The width of the river is $d$. The time taken to cross the river is:
Anonymous Quiz
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$\frac{d}{\sqrt{v_b^2 + v_r^2}}$
100%
$\frac{d}{v_b}$
0%
$\frac{d}{v_r}$
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$\frac{d}{v_b - v_r}$
NEET EXAM🔥
The position vector of a particle is given by $\vec{r} = 3t \hat{i} + 4t^2 \hat{j}$. The trajectory of the particle is:
The position vector of a particle is given by $\vec{r} = 3t \hat{i} + 4t^2 \hat{j}$. The trajectory of the particle is:
Anonymous Quiz
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A straight line
100%
A circle
0%
A parabola
0%
An ellipse
NEET EXAM🔥
If $\vec{A} + \vec{B} = \vec{C}$ and $A^2 + B^2 = C^2$, then the angle between vectors $\vec{A}$ and $\vec{B}$ is:
If $\vec{A} + \vec{B} = \vec{C}$ and $A^2 + B^2 = C^2$, then the angle between vectors $\vec{A}$ and $\vec{B}$ is:
Anonymous Quiz
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$0^{\circ}$
100%
$45^{\circ}$
0%
$90^{\circ}$
0%
$120^{\circ}$
NEET EXAM🔥
The angular speed of the second hand of a watch is:
The angular speed of the second hand of a watch is:
Anonymous Quiz
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$\frac{\pi}{30}$ rad/s
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$\frac{\pi}{60}$ rad/s
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$\frac{\pi}{1800}$ rad/s
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$2\pi$ rad/s
NEET EXAM🔥
A passenger in a moving train tosses a coin which falls behind him. It means that motion of the train is:
A passenger in a moving train tosses a coin which falls behind him. It means that motion of the train is:
Anonymous Quiz
100%
Accelerated
0%
Uniform
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Retarded
0%
Circular motion
NEET EXAM🔥
A force of 5 N acts on a body of weight 9.8 N. What is the acceleration produced in $m/s^2$?
A force of 5 N acts on a body of weight 9.8 N. What is the acceleration produced in $m/s^2$?
Anonymous Quiz
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0.5
100%
5
0%
49
0%
1
NEET EXAM🔥
A 10 kg stone is suspended with a rope of breaking strength 30 kg-wt. The minimum time in which the stone can be raised through a height of 10 m starting from rest is: (Take $g = 10 \text{ m/s}^2$)
A 10 kg stone is suspended with a rope of breaking strength 30 kg-wt. The minimum time in which the stone can be raised through a height of 10 m starting from rest is: (Take $g = 10 \text{ m/s}^2$)
Anonymous Quiz
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0.5 s
100%
1.0 s
0%
$\sqrt{2/3}$ s
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2.0 s
NEET EXAM🔥
A body of mass M hits normally a rigid wall with velocity V and bounces back with the same velocity. The impulse experienced by the body is:
A body of mass M hits normally a rigid wall with velocity V and bounces back with the same velocity. The impulse experienced by the body is:
Anonymous Quiz
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MV
0%
1.5MV
0%
2MV
100%
Zero
NEET EXAM🔥
Three blocks with masses $m$, $2m$, and $3m$ are connected by strings as shown in the figure. After an upward force F is applied on block $m$, the masses move upward at constant speed $v$. What is the net force on the block of mass $2m$? (g is the acceleration due to gravity)
Three blocks with masses $m$, $2m$, and $3m$ are connected by strings as shown in the figure. After an upward force F is applied on block $m$, the masses move upward at constant speed $v$. What is the net force on the block of mass $2m$? (g is the acceleration due to gravity)
Anonymous Quiz
100%
Zero
0%
2mg
0%
3mg
0%
6mg
NEET EXAM🔥
A car turns a corner on a slippery road at a constant speed of 10 m/s. If the coefficient of friction is 0.5, the minimum radius of the arc in meters for the car not to slip is: ($g = 10 \text{ m/s}^2$)
A car turns a corner on a slippery road at a constant speed of 10 m/s. If the coefficient of friction is 0.5, the minimum radius of the arc in meters for the car not to slip is: ($g = 10 \text{ m/s}^2$)
Anonymous Quiz
0%
5
0%
10
100%
20
0%
40