Physics · 2023 · 29 Jan · Shift 2
26 questions from this JEE Main paperGuest · filters and generic practice availableBrowsing as a guest · PYQ filters and generic practice are available. Sign in only for personalised features and saved progress.
Physics · 2023 · 29 Jan · Shift 2
26 questions from this JEE Main paper
Dual Nature of Radiation1 questionsLaws of Motion2 questionsUnits and Measurements1 questionsElectromagnetic Induction1 questionsHeat and Thermodynamics2 questionsWork Power and Energy1 questionsGeometrical Optics2 questionsElectromagnetic Waves1 questionsAlternating Current2 questionsCircular Motion2 questionsGravitation1 questionsMagnetics1 questionsProperties of Matter2 questionsElectronic Devices1 questionsElectrostatics2 questionsRotational Motion1 questionsSimple Harmonic Motion1 questionsWave Optics1 questionsCurrent Electricity1 questions
- Q45.The ratio of de-Broglie wavelength of an particle and a proton accelerated from rest by the same potential is , the value of m is -Physics · Dual Nature of Radiation · MCQ
- Q46.A force acts for 20 s on a body of mass 20 kg, starting from rest, after which the force ceases and then body describes 50 m in the next 10 s. The value of force will be:Physics · Laws of Motion · MCQ
- Q47.The equation of a circle is given by , where a is the radius. If the equation is modified to change the origin other than (0, 0), then find out the correct dimensions of A and B in a new equation : …Physics · Units and Measurements · MCQ
- Q48.A square loop of area 25 cm has a resistance of 10 . The loop is placed in uniform magnetic field of magnitude 40.0 T. The plane of loop is perpendicular to the magnetic field. The work done in pulling the loop out of the…Physics · Electromagnetic Induction · MCQ
- Q49.Heat energy of 184 kJ is given to ice of mass 600 g at . Specific heat of ice is and latent heat of ice in 336 A. Final temperature of system will be 0 …Physics · Heat and Thermodynamics · MCQ
- Q50.Identify the correct statements from the following : A. Work done by a man in lifting a bucket out of a well by means of a rope tied to the bucket is negative. B. Work done by gravitational force in lifting a bucket out of a well by a rope…Physics · Work Power and Energy · MCQ
- Q51.A scientist is observing a bacteria through a compound microscope. For better analysis and to improve its resolving power he should. (Select the best option)Physics · Geometrical Optics · MCQ
- Q52.Given below are two statements : Statement I : Electromagnetic waves are not deflected by electric and magnetic field. Statement II : The amplitude of electric field and the magnetic field in electromagnetic waves are related to each other…Physics · Electromagnetic Waves · MCQ
- Q53.The time taken by an object to slide down 45 rough inclined plane is n times as it takes to slide down a perfectly smooth 45 incline plane. The coefficient of kinetic friction between the object and the incline plane is :Physics · Laws of Motion · MCQ
- Q54.For the given figures, choose the correct options : Includes diagramPhysics · Alternating Current · MCQ
- Q55.An object moves at a constant speed along a circular path in a horizontal plane with center at the origin. When the object is at , its velocity is m/s. The object's velocity (v) and acceleration…Physics · Circular Motion · MCQ
- Q56.The time period of a satellite of earth is 24 hours. If the separation between the earth and the satellite is decreased to one fourth of the previous value, then its new time period will become.Physics · Gravitation · MCQ
- Q57.The electric current in a circular coil of four turns produces a magnetic induction 32 T at its centre. The coil is unwound and is rewound into a circular coil of single turn, the magnetic induction at the centre of the coil by the same…Physics · Magnetics · MCQ
- Q58.A fully loaded boeing aircraft has a mass of kg. Its total wing area is 500 m . It is in level flight with a speed of 1080 km/h. If the density of air is 1.2 kg m , the fractional increase in the speed of…Physics · Properties of Matter · MCQ
- Q59.For the given logic gates combination, the correct truth table will be Includes diagramPhysics · Electronic Devices · MCQ
- Q60.At 300 K, the rms speed of oxygen molecules is times to that of its average speed in the gas. Then, the value of will be (used )Physics · Heat and Thermodynamics · MCQ
- Q61.A point charge is moved from P to S in a uniform electric field of directed along positive x-axis. If coordinates of P and S are (1, 2, 0) m and (0, 0, 0) m respectively, the work done by…Physics · Electrostatics · MCQ
- Q62.A particle of mass 100 g is projected at time t = 0 with a speed 20 ms at an angle 45 to the horizontal as given in the figure. The magnitude of the angular momentum of the particle about the starting point at time t = 2s… Includes diagramPhysics · Rotational Motion · Numerical
- Q63.In an experiment of measuring the refractive index of a glass slab using travelling microscope in physics lab, a student measures real thickness of the glass slab as 5.25 mm and apparent thickness of the glass slab as 5.00 mm. Travelling…Physics · Geometrical Optics · Numerical
- Q64.An inductor of inductance 2 is connected in series with a resistance, a variable capacitor and an AC source of frequency 7 kHz. The value of capacitance for which maximum current is drawn into the circuit …Physics · Alternating Current · Numerical
- Q65.A particle of mass 250 g executes a simple harmonic motion under a periodic force . The particle attains a maximum speed of 4 m/s during its oscillation. The amplitude of the motion is …Physics · Simple Harmonic Motion · Numerical
- Q66.A metal block of base area 0.20 m is placed on a table, as shown in figure. A liquid film of thickness 0.25 mm is inserted between the block and the table. The block is pushed by a horizontal force of 0.1 N and moves with a constant… Includes diagramPhysics · Properties of Matter · Numerical
- Q67.A car is moving on a circular path of radius 600 m such that the magnitudes of the tangential acceleration and centripetal acceleration are equal. The time taken by the car to complete first quarter of revolution, if it is moving with an…Physics · Circular Motion · Numerical
- Q68.Unpolarised light is incident on the boundary between two dielectric media, whose dielectric constants are 2.8 (medium ) and 6.8 (medium ), respectively. To satisfy the condition, so that the reflected and refracted rays are…Physics · Wave Optics · Numerical
- Q69.For a charged spherical ball, electrostatic potential inside the ball varies with as . Here, and are constant and r is the distance from the center. The volume charge density inside the ball is …Physics · Electrostatics · Numerical
- Q70.When two resistance and connected in series and introduced into the left gap of a meter bridge and a resistance of 10 is introduced into the right gap, a null point is found at 60 cm from left side.…Physics · Current Electricity · Numerical