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Physics · 2024 · 27 Jan · Shift 2

30 questions from this JEE Main paper

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2024 · 27 Jan · Shift 2
Physics

Physics · 2024 · 27 Jan · Shift 2

30 questions from this JEE Main paper

Units and Measurements1 questions Work Power and Energy2 questions Laws of Motion1 questions Alternating Current2 questions Rotational Motion2 questions Gravitation1 questions Properties of Matter2 questions Atoms and Nuclei2 questions Dual Nature of Radiation1 questions Heat and Thermodynamics3 questions Current Electricity3 questions Electrostatics3 questions Wave Optics2 questions Electromagnetic Waves1 questions Electronic Devices1 questions Waves1 questions Motion in A Straight Line1 questions Magnetics1 questions

Q61.Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : In Vernier calliper if positive zero error exists, then while taking measurements, the reading taken will be more…
Physics · Units and Measurements · MCQ
Q62.A ball suspended by a thread swings in a vertical plane so that its magnitude of acceleration in the extreme position and lowest position are equal. The angle $(θ)$ of thread deflection in the extreme position will be :
Physics · Work Power and Energy · MCQ
Q63.Given below are two statements : Statement (I) : The limiting force of static friction depends on the area of contact and independent of materials. Statement (II) : The limiting force of kinetic friction is independent of the area of…
Physics · Laws of Motion · MCQ
Q64.Primary side of a transformer is connected to $230 V, 50 Hz$ supply. Turns ratio of primary to secondary winding is $10 : 1$ . Load resistance connected to secondary side is $46Ω$ . The power consumed in it is :
Physics · Alternating Current · MCQ
Q65.A heavy iron bar of weight $6 0^{\circ}$ is having its one end on the ground and the other on the shoulder of a man. The rod makes an angle $6 0^{\circ}$ with the horizontal, the weight experienced by the man is :
Physics · Rotational Motion · MCQ
Q66.Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : The angular speed of the moon in its orbit about the earth is more than the angular speed of the earth in its orbit…
Physics · Gravitation · MCQ
Q67.Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : The property of body, by virtue of which it tends to regain its original shape when the external force is removed,…
Physics · Properties of Matter · MCQ
Q68.The atomic mass of $_{6} C^{12}$ is $_{6} C^{13}$ and that of $_{6} C^{13}$ is $_{6} C^{13}$ . The required energy to remove a neutron from $_{6} C^{13}$ , if mass of neutron is $1.008665 u$ …
Physics · Atoms and Nuclei · MCQ
Q69.The threshold frequency of a metal with work function $6.63 eV$ is :
Physics · Dual Nature of Radiation · MCQ
Q70.During an adiabatic process, the pressure of a gas is found to be proportional to the cube of its absolute temperature. The ratio of $\frac{Cp}{Cv}$ for the gas is :
Physics · Heat and Thermodynamics · MCQ
Q71.A bullet is fired into a fixed target looses one third of its velocity after travelling $D \times 1 0^{- 3} m$ . It penetrates further $D \times 1 0^{- 3} m$ before coming to rest. The value of $D$ is :
Physics · Work Power and Energy · MCQ
Q72.Three voltmeters, all having different internal resistances are joined as shown in figure. When some potential difference is applied across $A$ and $B$ , their readings are $V_{1}, V_{2}$ and $V_{3}$ . Choose the correct option. Includes diagram
Physics · Current Electricity · MCQ
Q73.The equation of state of a real gas is given by $(P + \frac{a}{V ^{2}}) (V - b) = RT$ , where $T$ and $T$ are pressure, volume and temperature…
Physics · Heat and Thermodynamics · MCQ
Q74.Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : Work done by electric field on moving a positive charge on an equipotential surface is always zero. Reason (R) :…
Physics · Electrostatics · MCQ
Q75.When a polaroid sheet is rotated between two crossed polaroids then the transmitted light intensity will be maximum for a rotation of :
Physics · Wave Optics · MCQ
Q76.An object is placed in a medium of refractive index 3 . An electromagnetic wave of intensity $6 \times 1 0^{8} W / m^{2}$ falls normally on the object and it is absorbed completely. The radiation pressure on the object would…
Physics · Electromagnetic Waves · MCQ
Q77.The total kinetic energy of 1 mole of oxygen at $2 7^{\circ} C$ is : [Use universal gas constant $(R) = 8.31 J /$ mole K]
Physics · Heat and Thermodynamics · MCQ
Q78.The truth table of the given circuit diagram is : Includes diagram
Physics · Electronic Devices · MCQ
Q79.A current of $200 μ A$ deflects the coil of a moving coil galvanometer through $6 0^{\circ}$ . The current to cause deflection through $\frac{π}{10}$ radian is :
Physics · Current Electricity · MCQ
Q80.Wheatstone bridge principle is used to measure the specific resistance $(S_{1})$ of given wire, having length $L$ , radius $r$ . If $X$ is the resistance of wire, then specific resistance is ; $S_{1} = X (\frac{π r ^{2}}{L})$ …
Physics · Current Electricity · MCQ
Q81.A closed organ pipe $350 cm$ long gives 7 beats per second with an open organ pipe of length $m / s$ , both vibrating in fundamental mode. The velocity of sound is $m / s$ .
Physics · Waves · Numerical
Q82.A series LCR circuit with $L = \frac{100}{π} mH, C = \frac{1 0 ^{- 3}}{π} F$ and $R = 10Ω$ , is connected across an ac source of $220 V, 50 Hz$ supply. The power factor of…
Physics · Alternating Current · Numerical
Q83.Two charges of $- 4 μ C$ and $+ 4 μ C$ are placed at the points $A (1, 0, 4) m$ and $B (2, - 1, 5) m$ located in an electric field $E = 0.20 \hat{i} V / cm$ …
Physics · Electrostatics · Numerical
Q84.A ring and a solid sphere roll down the same inclined plane without slipping. They start from rest. The radii of both bodies are identical and the ratio of their kinetic energies is $\frac{7}{x}$ , where $x$ is .
Physics · Rotational Motion · Numerical
Q85.A body falling under gravity covers two points $A$ and $B$ separated by $2 s$ in $m$ . The distance of upper point A from the starting point is $m$ (use $\mathrm{g}=10…
Physics · Motion in A Straight Line · Numerical
Q86.The electric potential at the surface of an atomic nucleus $(z = 50)$ of radius $9 \times 1 0^{- 13} cm$ is $\times 1 0^{6} V$ .
Physics · Electrostatics · Numerical
Q87.The magnetic field at the centre of a wire loop formed by two semicircular wires of radii $R_{1} = 2 π m$ and $R_{2} = 4 π m$ , carrying current $I = 4 A$ as per figure given below is $α \times 1 0^{- 7} T$ … Includes diagram
Physics · Magnetics · Numerical
Q88.A parallel beam of monochromatic light of wavelength 5000 $A o$ is incident normally on a single narrow slit of width $0.001 mm$ . The light is focused by convex lens on screen, placed on its focal plane. The first…
Physics · Wave Optics · Numerical
Q89.The reading of pressure metre attached with a closed pipe is $4.5 \times 1 0^{4} N / m^{2}$ . On opening the valve, water starts flowing and the reading of pressure metre falls to $2.0 \times 1 0^{4} N / m^{2}$ .…
Physics · Properties of Matter · Numerical
Q90.If Rydberg's constant is $R$ , the longest wavelength of radiation in Paschen series will be $\frac{α}{7 R}$ , where $α =$ .
Physics · Atoms and Nuclei · Numerical