New chat PYQ Library Doubts Rank report

Sign in to see Recents

Your guest activity stays on this device

Sign in to save progress →

Physics · 2011 · Shift 0

27 questions from this JEE Main paper

Guest · filters and generic practice availableBrowsing as a guest · PYQ filters and generic practice are available. Sign in only for personalised features and saved progress.

PYQ Library
JEE Main
Papers
2011 · Shift 0
Physics

Physics · 2011 · Shift 0

27 questions from this JEE Main paper

Dual Nature of Radiation1 questions Atoms and Nuclei1 questions Wave Optics1 questions Geometrical Optics2 questions Alternating Current2 questions Electromagnetic Induction1 questions Magnetics1 questions Current Electricity1 questions Electrostatics2 questions Simple Harmonic Motion2 questions Waves1 questions Heat and Thermodynamics3 questions Properties of Matter2 questions Gravitation1 questions Rotational Motion3 questions Motion in A Plane1 questions Motion in A Straight Line1 questions Units and Measurements1 questions

Q53.This question has Statement - $1$ and Statement - $2$ . Of the four choices given after the statements, choose the one that best describes the two statements. Statement - $1$ : A metallic surface is irradiated by a monochromatic light of…
Physics · Dual Nature of Radiation · MCQ
Q54.Energy required for the electron excitation in $L i^{++}$ from the first to the third Bohr orbit is :
Physics · Atoms and Nuclei · MCQ
Q55.This question has a paragraph followed by two statements, Statement $- 1$ and Statement $- 2$ . Of the given four alternatives after the statements, choose the one that describes the statements. A thin air film is formed by putting the convex…
Physics · Wave Optics · MCQ
Q56.A car is fitted with a convex side-view mirror of focal length $20 c m$ . A second car $2.8 m$ behind the first car is overtaking the first car at a relative speed of $15 m / s$ . The speed of the image of the second car as seen in the mirror of…
Physics · Geometrical Optics · MCQ
Q57.Let $x$ - $z$ plane be the boundary between two transparent media. Medium $1$ in $z \geq 0$ has a refractive index of $2$ and medium $2$ with $z < 0$ has a refractive index of $3 .$ A ray of light in medium $1$ given by the…
Physics · Geometrical Optics · MCQ
Q58.A resistor $^{'} R^{'}$ and $2 μ F$ capacitor in series is connected through a switch to $200 V$ direct supply. Across the capacitor is a neon bulb that lights up at $120 V .$ Calculate the value of $R$ to make the bulb light up $5 s$ after the…
Physics · Alternating Current · MCQ
Q59.A boat is moving due east in a region where the earth's magnetic fields is $5.0 \times 1 0^{- 5} N A^{- 1} m^{- 1}$ due north and horizontal. The best carries a vertical aerial $2 m$ long. If the speed of the boat is $1.50 m s^{- 1},$ …
Physics · Electromagnetic Induction · MCQ
Q60.A fully charged capacitor $C$ with initial charge $q_{0}$ is connected to a coil of self inductance $L$ at $t = 0.$ The time at which the energy is stored equally between the electric and the magnetic fields is :
Physics · Alternating Current · MCQ
Q61.A current $I$ flows in an infinitely long wire with cross section in the form of a semi-circular ring of radius $R .$ The magnitude of the magnetic induction along its axis is:
Physics · Magnetics · MCQ
Q62.If a wire is stretched to make it $0.1%$ longer, its resistance will:
Physics · Current Electricity · MCQ
Q63.The electrostatic potential inside a charged spherical ball is given by $ϕ = a r^{2} + b$ where $r$ is the distance from the center and $a, b$ are constants. Then the charge density inside the ball is:
Physics · Electrostatics · MCQ
Q64.Two identical charged spheres suspended from a common point by two massless strings of length $l$ are initially a distance $d (d << 1)$ apart because of their mutual repulsion. The charge begins to leak from both the…
Physics · Electrostatics · MCQ
Q65.Two particles are executing simple harmonic motion of the same amplitude $A$ and frequency $ω$ along the $x$ -axis. Their mean position is separated by distance $X_{0} (X_{0} > A)$ . If the maximum separation between…
Physics · Simple Harmonic Motion · MCQ
Q66.The transverse displacement $y (x, t)$ of a wave on a string is given by $y (x, t) = e^{- (a x^{2} + b t^{2} + 2 ab x t)} .$ This represents $a :$
Physics · Waves · MCQ
Q67.A mass $M,$ attached to a horizontal spring, executes $S . H . M .$ with amplitude $A_{1} .$ When the mass $M$ passes through its mean position then a smaller mass $m$ is placed over it and both of them move together with amplitude $A_{2} .$ The…
Physics · Simple Harmonic Motion · MCQ
Q68. $100 g$ of water is heated from $3 0^{\circ} C$ to $5 0^{\circ} C$ . Ignoring the slight expansion of the water, the change in its internal energy is (specific heat of water is $4184 J / k g / K$ ):
Physics · Heat and Thermodynamics · MCQ
Q69.A thermally insulated vessel contains an ideal gas of molecular mass $M$ and ratio of specific heats $γ .$ It is moving with speed $v$ and it's suddenly brought to rest. Assuming no heat is lost to the surroundings, Its temperature…
Physics · Heat and Thermodynamics · MCQ
Q70.Three perfect gases at absolute temperatures $T_{1}, T_{2}$ and $T_{3}$ are mixed. The masses of molecules are $m_{1}, m_{2}$ and $m_{3}$ and the number of molecules are $n_{1}, n_{2}$ and $n_{3}$ respectively. Assuming no loss of energy,…
Physics · Heat and Thermodynamics · MCQ
Q71.Water is flowing continuously from a tap having an internal diameter $8 \times 1 0^{- 3} m .$ The water velocity as it leaves the tap is $0.4 m s^{- 1}$ . The diameter of the water stream at a distance $2 \times 1 0^{- 1} m$ …
Physics · Properties of Matter · MCQ
Q72.Work done in increasing the size of a soap bubble from a radius of $3 c m$ to $5 c m$ is nearly (Surface tension of soap solution $= 0.03 N m^{- 1},$
Physics · Properties of Matter · MCQ
Q73.Two bodies of masses $m$ and $4 m$ are placed at a distance $r .$ The gravitational potential at a point on the line joining them where the gravitational field is zero is:
Physics · Gravitation · MCQ
Q74.A pulley of radius $2 m$ is rotated about its axis by a force $F = (20 t - 5 t^{2})$ newton (where $t$ is measured in seconds) applied tangentially. If the moment of inertia of the pulley about its axis of rotation is $10 k g$ - $m^{2}$ …
Physics · Rotational Motion · MCQ
Q75.A mass $m$ hangs with the help of a string wrapped around a pulley on a frictionless bearing. The pulley has mass $m$ and radius $R .$ Assuming pulley to be a perfect uniform circular disc, the acceleration of the mass $m,$ if the string…
Physics · Rotational Motion · MCQ
Q76.A thin horizontal circular disc is rotating about a vertical axis passing through its center. An insect is at rest at a point near the rim of the disc. The insect now moves along a diameter of the disc to reach its other end. During the…
Physics · Rotational Motion · MCQ
Q77.A water fountain on the ground sprinkles water all around it. If the speed of water coming out of the fountain is v, the total area around the fountain that gets wet is :
Physics · Motion in A Plane · MCQ
Q78.An object, moving with a speed of 6.25 m/s, is decelerated at a rate given by : $\frac{d v}{d t} = - 2.5 v$ where v is the instantaneous speed. The time taken by the object, to come to rest, would be :
Physics · Motion in A Straight Line · MCQ
Q79.A screw gauge gives the following reading when used to measure the diameter of a wire. Main scale reading : 0 mm Circular scale reading : 52 divisions Given that 1 mm on main scale corresponds to 100 divisions of the circular scale. The…
Physics · Units and Measurements · MCQ