Physics question and answers for July 10, 2024
- Q 11 An air column closed at one end and open at the other resonates with a tuning fork when the smallest X length of the column is 50 cm The...
- Q Determine the angular momentum of a 70 g particle about the origin of coordinates when the particle is at r 4 3 m y 5 8 m and it has...
- Q 5 37 A hollow sphere of radius r is rotating about a horizontal axis at some angular speed oo It is gently lowered to ground and the coefficient of friction...
- Q A conducting frame is placed in a horizontal plane as shown in the figure The two sides are parallel and separated by a distance of 0 25 m A massless...
- Q When two charged particles are placed at the certain distance apart in vacuum then the force experienced by one of the charges is equal to F If vacuum is replaced...
- Q The diagram shows two co planar conducting loops whose centres coincide If R then the mutual inductance will be 0 14012 4R O MOR 21 O H40 2R TULO 12
- Q A thin plate separates two liquids of coefficients of viscosity n and 4n kept between two fixed plates as shown If plate has to be pulled by applying d minimum...
- Q Three charges are positioned as follows 91 2 at A 3 1 0 92 2 at B 1 3 0 93 at C 3 3 0 Assuming that the charges...
- Q 2 3i j 4 1 6i 2j 3 6i 2j Two particles of masses m and 2m with charges 34 24 and 2q are placed in a uniform electric field...
- Q 9 A solenoid at 1 5 metre length and 4 0 cm diameter posses 10 turn per cm A current of 5 ampere is flowing through it The magnetic induction...
- Q Read More The magnetic force acting on a charged particle having charge 2 C in a magnetic field of 2 T acting in y irection moving with velocity 21 3...
- Q 25 E x graph for the uniformly charged ring will be 25 E on y axis 2 X LEADER TEST SERIES JOINT PACKAGE COURSE 32844 XX Ey 0999DMD310320001
- Q 32 A parallel plate capacitor of capacitance 90pF is connected to a battery of emf 20 5 V If a dielectric material of dielectric constant x 3 plates the magnitude...
- Q m m 3 Now a new block with mass m 16 2 kg is attached to the first block The new block is made of a different material and has...
- Q 16 4 2Q Assume that lamp radiates power P uniformly in 43 all directions The magnitude of electric field strength at a distance r from the lamp is P P...
- Q 6 53 A body is projected vertically upwards from the surface of earth with a velocity sufficient to carry it to infinity Calculate the time taken by it to reach...
- Q 4 103 A wedge of mass m and triangular cross section AB BC CA 2R is moving with a constant velocity vi towards sphere of radius R fixed on smooth...
- Q The spectral line for a given element in light received from distant star is shifted towards longer wavelength side by 0 025 What is speed of star in line of...
- Q Two identical thin rotating rings move along a smooth horizontal plane towards each other Their velocities v and v are directed along a straight line connecting the centers of the...
- Q A charged particle enters in a magnetic field in a direction perpendicular to the magnetic field Which of the following graphs show the correct variation of kinetic energy of the...
- Q 8 Two aeroplanes A and B are moving away from one another with a speed of 720 kmph 45 The frequency of the whistle emitted by A is 1100 Hz...
- Q Discharging of a capacitor across three different resistance is given in figure then Qo 3 Question Type Multiple Correct Type 2 2 1 All three has equal heat loss 4...
- Q 7 A 2 000 kg sailboat experiences an eastward force of 3 000 N by the ocean tide and a wind force against its sails with magnitude of 6 000...
- Q A uniform cylindrical rod of mass m and length 17 L is rotating with an angular velocity oo The axis of rotation is perpendicular to its axis of symmetry and...
- Q 39 An engine is moving on a circular path of radius 100 metre with a speed of 20 metre per second The frequency observed by an observer standing stationary at...
- Q A small objects slides height 50 cm shown in figure 3 126 and then loops the vertical loop of radius 20 cm from which a symmetrical section of angle 2a...
- Q The motion of a body falling from rest in a medium dv dt is given by equation any time t is 1 1 e 3 1 e 1 2v The...
- Q A capacitor of 2uF draws a current of 4 mA 28 when connected across an a c of 300 Hz The voltage drop across capacitor is 1 1 06 V...
- Q 4 6 6 V A student connects a long air cored coil of 29 manganin wire to a 100 V D C supply and records a current of 25 amp...
- Q A triangle ABC is given where vertex A is 1 1 and the orthocenter is 2 4 Also sides AB and BC are members of the family of lines ax...
- Q A ladder with a mass of m kg uniform mass and a length L is leaning against the corner of the top of a wall The contact point between the...
- Q 3 14 4 19 Number of electrons in one coulomb of charge 18 will be 1 5 46 1029 3 1 6 10 9 2 6 25 10 4 9...
- Q A battery of e m f E and internal resistance ris connected to a variable resistor R as shown in figure Which of the following is true E R wwwwwwww...
- Q D The angles of inclination of the suspended 20 o a fer 306 at 0 0 charged pendulum are 30 60 due to electric field of the infinite sheets of...
- Q he 44 of he y a source of sound is travelling towards stationary observer The freqency of sound heard by the observer is 25 more than that of the actual...
- Q 1 A 10 kg block is pulled in the vertical plane along a frictionless surface in the form of an arc of a circle of radius 10 m The applied...
- Q Question 13 V g k on block B is A Block A is in equilibrium Now block A given velocity m in downward direction Maximum normal reaction B 3 mg...
- Q Two particles A and B are projected in same vertical plane as shown in diagram If B particle hits A then A A B C D 53 60m s 100m...
- Q If R in Figure 5 25 is open the base voltage is a 10 V b 0 V c 3 13 V d 0 7 V If R is open...
- Q What should be the ratio between the leng radius of the uniform solid cylinder so t moment of inertia about central axis is the as that about equatorial axis 2...
- Q 44 The total flux associated with the given cube will be where a is side of the cube 5 ST 4 9 10 SI units A 162 x 10 3...
- Q What is angular spread between central maxima and first ordered maxima of diffraction pattern due to single slit of width 0 25 mm w light of wavelength 600 nm is...
- Q A parallel plate capacitor is charged with a battery of emf V volts After charging the battery is disconnected and the distance between the plates is increased to 1 5...
- Q Phy S This section contains 35 SINGLE CORRECT TYPE questions Each question has 4 choices 1 2 3 and A current is flowing through the loop as shown in figure...
- Q 2 ALLEN A cylindrical metallic rod in thermal contact with 42 two reservoirs of heat at its two ends conducts an amount of heat Q in time t The metallic...
- Q 15 A uniform rope of length L and mass m hangs vertically from a rigid support A block of mass m is attached to the free end of the rope...
- Q A cylindrical conductor carries a constant current I out of the screen The line integral of the magnetic flux density vector B along a closed circular counter clockwise contour C...
- Q In a region of uniform field as an electron travels from A to B it slows from UA 6 1 x 106 m s to up 4 5 106 m...
- Q 4 All reach the ground with same velocity 4 M A solid cylinder of mass M and radius R rolls 22 down an inclined plane without slipping The speed of...
- Q 19 A string of length 0 4 m and mass 102 kg is tightly clamped at its ends The tension in the string is 1 6N Identical wave pulses are...
- Q Find the magnitude of induced emf in the loop if magnetic field is changing as B Bot O B R O B 2 R O BR O Zero
- Q The total kinetic energy of a body of mass 10kg 15 and radius 0 5m rolling with a velocity of 2 m s without slipping is 32 8 J The...
- Q 6 58 Two satellites move in circular orbits around the earth at distances 9000 km and 9010 km from earth s centre If the satellite which is moving faster has...
- Q tional equil only 8 A 1200 kg car moves in horizontal circular track of radius 20 m The separation between the two back tyres is 1 7 m The center...
- Q Which of the following is a property of equipotential surfaces 0 77 Mark O The direction of electrostatic field will be perpendicular to the equipotential surface The potential difference between...
- Q 45 Smooth B 10 5 10 57 45 rough The ratio of acceleration of blocks A placed on smooth incline with block B placed on rough incline is 2 efficient...
- Q 162 A 8 kg block A is placed on 2 kg block B which rests on a table Coefficient of friction between A and B is 0 5 and between...
- Q The Sun has a surface temperature of 5778 K and a radius a 6 96x108 m The Sun is at an average distance of 1 5x10 1 m from the...
- Q al nt t SS m bob is 6 22 A simple pendulum is a device in suspended from a support by means of a string figure 6 108 If the...
- Q on the pulley in the upward di A block of mass m placed on a smooth floor is connected to a fixed support with the help of a spring of...
- Q The dispersive powers of glasses of lenses used in an achromatic converging pair are in the ratio of 5 3 If focal length of concave len 15 cm then nature...
- Q 2 84 A heavy particle of mass 1 kg is suspended from a massless string attached to a roof A horizontal force Fis applied to the particle such that in...
- Q 1 Total energy density of electromagnetic waves in vacuum is given by the relation 1 E B 2E0 2po 2 EE MOB 3 E B C 2 4 EE B...
- Q IV The acceleration of a particle moving along a straight line at any time t is given by a 4 2v where v is the speed of particle at any...
- Q 1 A body of mass 3 kg travelling along a straight horizontal path covers a distance of 5 m in its 5th second of motion If it starts from rest...
- Q ds ta nd in 20 In the figure the intensity of waves arriving at D from two coherent sources s and s2 is Io The wavelength of the wave is...
- Q A block of mass 25kg is suspended to the ceiling by means of light string as shown in figure What is the tension developed in the string A light string...
- Q A solid sphere hollow sphere and disc all 23 having same mass and radius are placed at the top of an incline and released The friction coefficient between the objects...
- Q A disc is placed on the surface of pond with liquid of refractive index 3 A source of light is placed 4 m below the surface What is minimum area...
- Q Three bodies a ring a solid cylinder and a solid 21 sphere roll down the same inclined plane without slipping They start from rest The radii of the bodies are...
- Q 5 A cylinder is placed on a horizontal surface A particle is projected with speed u and it crosses the cylinder by just touching at two points as shown in...
- Q A thin metallic spherical shell carries a charge Q on it A point charge q is placed at the centre of the shell and another charge q is placed outside...
- Q A condenser of capacitance 10 F has been charg to 100 volts It is now connected to anot uncharged condenser in parallel The comm potential becomes 40 volts The capacitance...
- Q 21 A tuning fork of 512 Hz is used to produce resonance in a resonance tube experiment The level of water at first resonance is 30 7 cm and at...
- Q Q 31 Option 1 2 Your Answer 3 Option 2 3 Option 3 4 Option 4 Figure shows two coherent sources S S vibrating in same phase AB is an...
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