Physics · 2021 · 16 Mar · Shift 1
28 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 · 2021 · 16 Mar · Shift 1
28 questions from this JEE Main paper
Properties of Matter1 questionsMotion in A Straight Line1 questionsLaws of Motion1 questionsCircular Motion1 questionsSimple Harmonic Motion1 questionsGeometrical Optics1 questionsCenter of Mass2 questionsHeat and Thermodynamics2 questionsCapacitor1 questionsElectromagnetic Waves2 questionsGravitation1 questionsCurrent Electricity2 questionsDual Nature of Radiation1 questionsAlternating Current2 questionsUnits and Measurements2 questionsElectromagnetic Induction1 questionsElectronic Devices2 questionsWave Optics1 questionsRotational Motion2 questionsAtoms and Nuclei1 questions
- Q44.The pressure acting on a submarine is 3 105 Pa at a certain depth. If the depth is doubled, the percentage increase in the pressure acting on the submarine would be : (Assume that atmospheric pressure is 1 105 Pa density…Physics · Properties of Matter · MCQ
- Q45.The velocity-displacement graph describing the motion of bicycle is shown in the figure. The acceleration-displacement graph of the bicycle's motion is best described by : Includes diagramPhysics · Motion in A Straight Line · MCQ
- Q46.A block of mass m slides along a floor while a force of magnitude F is applied to it at an angle as shown in figure. The coefficient of kinetic friction is k. then, the block's acceleration 'a' is given by : (g is… Includes diagramPhysics · Laws of Motion · MCQ
- Q47.A block of 200 g mass moves with a uniform speed in a horizontal circular groove, with vertical side walls of radius 20 cm. If the block takes 40 s to complete one round, the normal force by the side walls of the groove is :Physics · Circular Motion · MCQ
- Q48.Time period of a simple pendulum is T inside a lift when the lift is stationary. If the lift moves upwards with an acceleration g/2, the time period of pendulum will be :Physics · Simple Harmonic Motion · MCQ
- Q49.The angle of deviation through a prism is minimum when (A) Incident ray and emergent ray are symmetric to the prism. (B) The refracted ray inside the prism becomes parallel to its base (C) Angle of incidence is equal to that of the angle… Includes diagramPhysics · Geometrical Optics · MCQ
- Q50.Four equal masses, m each are placed at the comers of a square of length (l) as shown in the figure. The moment of inertia of the system about an axis passing through A and parallel to DB would be : Includes diagramPhysics · Center of Mass · MCQ
- Q51.In thermodynamics, heat and work are :Physics · Heat and Thermodynamics · MCQ
- Q52.For changing the capacitance of a given parallel plate capacitor, a dielectric material of dielectric constant K is used, which has the same area as the plates of the capacitor. The thickness of the dielectric slab is d,…Physics · Capacitor · MCQ
- Q53.A plane electromagnetic wave of frequency 500 MHz is travelling in vacuum along y-direction. At a particular point in space and time, = 8.0 10 8 T. The value of electric field at this point is :…Physics · Electromagnetic Waves · MCQ
- Q54.The maximum and minimum distances of a comet from the Sun are 1.6 1012 m and 8.0 1010 m respectively. If the speed of the comet at the nearest point is 6 104 ms 1, the speed at the farthest point is :Physics · Gravitation · MCQ
- Q55.A conducting wire of length 'l', area of cross-section A and electric resistivity is connected between the terminals of a battery. A potential difference V is developed between its ends, causing an electric current. If the length of…Physics · Current Electricity · MCQ
- Q56.For an electromagnetic wave travelling in free space, the relation between average energy densities due to electric (Ue) and magnetic (Um) fields is :Physics · Electromagnetic Waves · MCQ
- Q57.The stopping potential in the context of photoelectric effect depends on the following property of incident electromagnetic radiation :Physics · Dual Nature of Radiation · MCQ
- Q58.An RC circuit as shown in the figure is driven by a AC source generating a square wave. The output wave pattern monitored by CRO would look close to : Includes diagramPhysics · Alternating Current · MCQ
- Q59.One main scale division of a vernier callipers is 'a' cm and nth division of the vernier scale coincide with (n 1)th division of the main scale. The least count of the callipers in mm is :Physics · Units and Measurements · MCQ
- Q60.A conducting bar of length L is free to slide on two parallel conducting rails as shown in the figure Two resistors R1 and R2 are connected across the ends of the rails. There is a uniform magnetic field pointing into… Includes diagramPhysics · Electromagnetic Induction · MCQ
- Q61.The volume V of an enclosure contains a mixture of three gases, 16 g of oxygen, 28 g of nitrogen and 44 g of carbon dioxide at absolute temperature T. Consider R as universal gas constant. The pressure of the mixture of gases is :Physics · Heat and Thermodynamics · MCQ
- Q62.The value of power dissipated across the zener diode (Vz = 15V) connected in the circuit as shown in the figure is x 10 1 watt. The value of x, to the nearest integer, is . Includes diagramPhysics · Electronic Devices · Numerical
- Q63.A fringe width of 6 mm was produced for two slits separated by 1 mm apart. The screen is placed 10 m away. The wavelength of light used is 'x' nm. The value of 'x' to the nearest integer is .Physics · Wave Optics · Numerical
- Q64.In the figure given, the electric current flowing through the 5 k resistor is 'x' mA. The value of x to the nearest integer is . Includes diagramPhysics · Current Electricity · Numerical
- Q65.Consider a 20 kg uniform circular disk of radius 0.2 m. It is pin supported at its center and is at rest initially. The disk is acted upon by a constant force F = 20 N through a massless string wrapped around is periphery as shown in the… Includes diagramPhysics · Rotational Motion · Numerical
- Q66.The resistance R = , where V = (50 2)V and I = (20 0.2)A. The percentage error in R is 'x'%. The value of 'x' to the nearest integer is .Physics · Units and Measurements · Numerical
- Q67.A sinusoidal voltage of peak value 250 V is applied to a series LCR circuit, in which R = 8 , L = 24 mH and C = 60 F. The value of power dissipated at resonant condition is 'x' kW. The value of x to the nearest integer is …Physics · Alternating Current · Numerical
- Q68.In the logic circuit shown in the figure, if input A and B are 0 to 1 respectively, the output at Y would be 'x'. The value of x is . Includes diagramPhysics · Electronic Devices · Numerical
- Q69.A ball of mass 10 kg moving with a velocity m s 1 along X-axis, hits another ball of mass 20 kg which is at rest. After collision, the first ball comes to rest and the second one disintegrates into two equal pieces. One of… Includes diagramPhysics · Center of Mass · Numerical
- Q70.The first three spectral lines of H-atom in the Balmer series are given 1, 2, 3 considering the Bohr atomic model, the wave lengths of first and third spectral lines …Physics · Atoms and Nuclei · Numerical
- Q71.Consider a frame that is made up of two thin massless rods AB and AC as shown in the figure. A vertical force of magnitude 100 N is applied at point A of the frame. Suppose the force is resolved… Includes diagramPhysics · Rotational Motion · Numerical