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Recent questions in 2005
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JEEMAIN and NEET
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JEEMAIN PAST PAPERS
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2005
The change in the value of $g$ at a height $h$ above the surface of the earth is the same as at a depth $d$ below the surface of earth. When both $d$ and $h$ are much smaller than the radius of earth, then which one of the following is correct ?
jeemain
physics
past papers
2005
25
asked
Nov 5, 2018
by
pady_1
0
answers
A $T$ shaped object with dimensions shown in figure, is lying on a smooth floor. A force $\overrightarrow{F}$ is applied at the point $P$ parallel to $AB$, such that the object has only the translational motion without rotation. Find the location of $P$ with respect to $C$: <br>
jeemain
physics
past papers
2005
24
asked
Nov 5, 2018
by
pady_1
0
answers
Which of the following is incorrect regarding the first law of thermodynamics ?
jeemain
physics
past papers
2005
23
asked
Nov 5, 2018
by
pady_1
0
answers
Consider a car moving on a straight road with a speed of 100 m/s. The distance at which car can be stopped , is : $[\mu_k = 0.5]$
jeemain
physics
past papers
2005
22
asked
Nov 5, 2018
by
pady_1
0
answers
A body of mass m is accelerated uniform from rest to a speed $\nu$ in a time $T$. The instantaneous power delivered to the body as a function of time, is given by :
jeemain
physics
past papers
2005
21
asked
Nov 5, 2018
by
pady_1
0
answers
Average density of the earth :
jeemain
physics
past papers
2005
20
asked
Nov 5, 2018
by
pady_1
0
answers
If $S$ is stress and $Y$ is Young's modulus of material of a wire, the energy stored in the wire per unit volume is :
jeemain
physics
past papers
2005
19
asked
Nov 5, 2018
by
pady_1
0
answers
A 20 cm long capillary tube is dipped in water. The water rises upto 8 cm. If the entire arrangement is put in a freely falling elevator, the length of water column in the capillary tube will be :
jeemain
physics
past papers
2005
18
asked
Nov 5, 2018
by
pady_1
0
answers
A mass m moves with a velocity $\nu$ and collides inelastically with another identical mass. After collision the $I^{st}$ mass moves with velocity $\frac{\nu}{\sqrt{3}}$ in a direction perpendicular to the initial direction of motion. Find the speed of the second mass after collision :
jeemain
physics
past papers
2005
17
asked
Nov 5, 2018
by
pady_1
0
answers
The block of mass M moving on the frictionless horizontal surface collides with the spring of spring constant $k$ and compresses it by length $L$. The maximum momentum of the block after collision is : <br>
jeemain
physics
past papers
2005
16
asked
Nov 5, 2018
by
pady_1
0
answers
A particle of mass $0.3 \;kg$ is subjected to a force $F = -kx$ with $k = 15\; N/m$. What will be its initial acceleration, if it is released from a point 20 cm away from the origin ?
jeemain
physics
past papers
2005
15
asked
Nov 5, 2018
by
pady_1
0
answers
The moment of inertia of uniform semicircular disc of mass M and radius r about a line perpendicular to the plane of the disc through the centre is :
jeemain
physics
past papers
2005
14
asked
Nov 5, 2018
by
pady_1
0
answers
A body A of mass M while falling vertically downwards under gravity breaks into two parts; a body B of mass $\frac{1}{3} M$ and, a body C of mass $\frac{2}{3}M$. The centre of mass of body B and C taken together shifts compared to that of body A towards :
jeemain
physics
past papers
2005
13
asked
Nov 5, 2018
by
pady_1
0
answers
A spherical ball of mass 20 kg is stationary at the top of a hill of height 100 m. It rolls down a smooth surface to the ground, then climbs up another hill of height 30 m and finally rolls down to a horizontal base at a height of 20 m above the ground. The velocity attained by the ball is :
jeemain
physics
past papers
2005
12
asked
Nov 5, 2018
by
pady_1
0
answers
A block is kept on a frictionless inclined surface with angle of inclination $\propto$. The incline is given an acceleration $a$ to keep the block stationary. Then $a$ is equal to : <br>
jeemain
physics
past papers
2005
11
asked
Nov 5, 2018
by
pady_1
0
answers
A parachutist after bailing out falls 50 m without friction. When parachute opens, it decelerates at $2\;m/s^2$. he reaches the ground with a speed of $3 \; m/s$. At what height, did he bail out ?
jeemain
physics
past papers
2005
10
asked
Nov 5, 2018
by
pady_1
0
answers
A particle is moving eastwards with a velocity of $5\; ms^{-1}$. In $10 \;s$ the velocity changes to $5\;ms^{-1}$ northwardas. The average acceleration in this time is:
jeemain
physics
past papers
2005
9
asked
Nov 5, 2018
by
pady_1
0
answers
A car starting from rest, accelerates at the rate $f$ through a distance $S$, then continues at constant speed for time $t$ and then decelerates at the rate $f/2$ to come to rest. If the total distance travelled is $15 \;S$, then :
jeemain
physics
past papers
2005
8
asked
Nov 5, 2018
by
pady_1
0
answers
The relation between time $t$ and distance $x$ is $t=ax^2+bx$, where $a$ and $b$ are constants. The acceleration is :
jeemain
physics
past papers
2005
7
asked
Nov 5, 2018
by
pady_1
0
answers
Out of the following pairs, which one does not have identical dimensions ?
jeemain
physics
past papers
2005
6
asked
Nov 5, 2018
by
pady_1
0
answers
A bullet fired into a fixed target loses half of its velocity after penetrating 3 cm. How much further it will penetrate before coming to rest, assuming that it faces constant resistance to motion ?
jeemain
physics
past papers
2005
5
asked
Nov 5, 2018
by
pady_1
0
answers
The upper half of an inclined plane with inclination $\phi$ is perfectly smooth, while the lower half is rough. A body starting from rest at the top will again come to rest at the bottom, if the coefficient of friction for the lower half is given by :
jeemain
physics
past papers
2005
4
asked
Nov 5, 2018
by
pady_1
0
answers
A smooth block is released at rest on a $45^{\circ}$ incline and then slides a distance $d$. The time taken to slide is $n$ times as much to slide on rough inclined than on a smooth incline. The coefficient of friction is :
jeemain
physics
past papers
2005
3
asked
Nov 5, 2018
by
pady_1
0
answers
An annular ring with inner and outer radii $R_1$ and $R_2$ is rolling without slipping with a uniform angular seed. The ratio of the forces experienced by the two particles situated on the inner and outer parts of the ring, $\frac{F_1}{F_2}$ is :
jeemain
physics
past papers
2005
2
asked
Nov 5, 2018
by
pady_1
0
answers
A projectile can have the same range R for two angles of projection. If $t_1$ and $t_2$ be the times of flights in the two cases, then the product of the two times of flights is proportional to :
jeemain
physics
past papers
2005
1
asked
Nov 5, 2018
by
pady_1
0
answers
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