Physics · 2021 · 31 Aug · Shift 1
27 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 · 31 Aug · Shift 1
27 questions from this JEE Main paper
Motion in A Plane1 questionsElectronic Devices2 questionsElectrostatics1 questionsGeometrical Optics2 questionsMagnetics1 questionsCenter of Mass1 questionsGravitation1 questionsElectromagnetic Induction1 questionsProperties of Matter2 questionsUnits and Measurements2 questionsHeat and Thermodynamics1 questionsRotational Motion1 questionsAlternating Current1 questionsDual Nature of Radiation1 questionsCurrent Electricity3 questionsSimple Harmonic Motion1 questionsWaves1 questionsWork Power and Energy1 questionsElectromagnetic Waves1 questionsCapacitor1 questionsLaws of Motion1 questions
- Q46.A helicopter is flying horizontally with a speed 'v' at an altitude 'h' has to drop a food packet for a man on the ground. What is the distance of helicopter from the man when the food packet is dropped?Physics · Motion in A Plane · MCQ
- Q47.In the following logic circuit the sequence of the inputs A, B are (0, 0), (0, 1), (1, 0) and (1, 1). The output Y for this sequence will be : Includes diagramPhysics · Electronic Devices · MCQ
- Q48.Two particles A and B having charges 20 C and 5 C respectively are held fixed with a separation of 5 cm. At what position a third charged particle should be placed so that it does not experience a net electric force? Includes diagramPhysics · Electrostatics · MCQ
- Q49.An object is placed at the focus of concave lens having focal length f. What is the magnification and distance of the image from the optical centre of the lens?Physics · Geometrical Optics · MCQ
- Q50.A coil having N turns is wound tightly in the form of a spiral with inner and outer radii 'a' and 'b' respectively. Find the magnetic field at centre, when a current I passes through coil:Physics · Magnetics · MCQ
- Q51.A body of mass M moving at speed V0 collides elastically with a mass 'm' at rest. After the collision, the two masses move at angles 1 and 2 with respect to the initial direction of motion of the body of mass M. The…Physics · Center of Mass · MCQ
- Q52.The masses and radii of the earth and moon are (M1, R1) and (M2, R2) respectively. Their centres are at a distance 'r' apart. Find the minimum escape velocity for a particle of mass 'm' to be projected from the middle of these two masses :Physics · Gravitation · MCQ
- Q53.A small square loop of side 'a' and one turn is placed inside a larger square loop of side b and one turn (b >> a). The two loops are coplanar with their centres coinciding. If a current I is passed in the square loop of side 'b',…Physics · Electromagnetic Induction · MCQ
- Q54.Choose the correct waveform that can represent the voltage across R of the following circuit, assuming the diode is ideal one : Includes diagramPhysics · Electronic Devices · MCQ
- Q55.A uniform heavy rod of weight 10 kg ms 2, cross-sectional area 100 cm2 and length 20 cm is hanging from a fixed support. Young modulus of the material of the rod is 2 1011 Nm 2. Neglecting the lateral contraction, find the…Physics · Properties of Matter · MCQ
- Q56.Two plane mirrors M1 and M2 are at right angle to each other shown. A point source 'P' is placed at 'a' and '2a' meter away from M1 and M2 respectively. The shortest distance between the images thus formed is : (Take = 2.3) Includes diagramPhysics · Geometrical Optics · MCQ
- Q57.Match List - I with List - II. Choose the most appropriate answer from the option given below : Includes tablePhysics · Units and Measurements · MCQ
- Q58.For an ideal gas the instantaneous change in pressure 'p' with volume 'v' is given by the equation . If p = p0 at v =0 is the given boundary condition, then the maximum temperature one mole of gas can attain is :…Physics · Heat and Thermodynamics · MCQ
- Q59.Which of the following equations is dimensionally incorrect? Where t = time, h = height, s = surface tension, = angle, = density, a, r = radius, g = acceleration due to gravity, v = volume, p = pressure, W = work done, T =…Physics · Units and Measurements · MCQ
- Q60.Angular momentum of a single particle moving with constant speed along circular path :Physics · Rotational Motion · MCQ
- Q61.In an ac circuit, an inductor, a capacitor and a resistor are connected in series with XL = R = XC. Impedance of this circuit is :Physics · Alternating Current · MCQ
- Q62.A moving proton and electron have the same de-Broglie wavelength. If K and P denote the K.E. and momentum respectively. Then choose the correct option :Physics · Dual Nature of Radiation · MCQ
- Q63.Consider a galvanometer shunted with 5 resistance and 2% of current passes through it. What is the resistance of the given galvanometer ?Physics · Current Electricity · MCQ
- Q64.When a rubber ball is taken to a depth of m in deep sea, its volume decreases by 0.5%. (The bulk modulus of rubber = 9.8 108 Nm 2, Density of sea water = 103 kgm 3, g = 9.8 m/s2)Physics · Properties of Matter · Numerical
- Q65.A particle of mass 1 kg is hanging from a spring of force constant 100 Nm 1. The mass is pulled slightly downward and released so that it executes free simple harmonic motion with time period T. The time when the kinetic energy and…Physics · Simple Harmonic Motion · Numerical
- Q66.A square shaped wire with resistance of each side 3 is bent to form a complete circle. The resistance between two diametrically opposite points of the circle in unit of will be .Physics · Current Electricity · Numerical
- Q67.A wire having a linear mass density 9.0 10 4 kg/m is stretched between two rigid supports with a tension of 900 N. The wire resonates at a frequency of 500 Hz. The next higher frequency at which the same wire resonates is 550…Physics · Waves · Numerical
- Q68.The voltage drop across 15 resistance in the given figure will be V. Includes diagramPhysics · Current Electricity · Numerical
- Q69.A block moving horizontally on a smooth surface with a speed of 40 ms 1 splits into two equal parts. If one of the parts moves at 60 ms 1 in the same direction, then the fractional change in the kinetic energy will be x : 4 where x…Physics · Work Power and Energy · Numerical
- Q70.The electric field in an electromagnetic wave is given by E = (50 NC 1) sin (t x/c) The energy contained in a cylinder of volume V is 5.5 10 12 J. The value of V is cm3. (given …Physics · Electromagnetic Waves · Numerical
- Q71.A capacitor of 50 F is connected in a circuit as shown in figure. The charge on the upper plate of the capacitor is C. Includes diagramPhysics · Capacitor · Numerical
- Q72.A car is moving on a plane inclined at 30 to the horizontal with an acceleration of 10 ms 2 parallel to the plane upward. A bob is suspended by a string from the roof of the car. The angle in degrees which the string makes…Physics · Laws of Motion · Numerical