Physics question and answers for June 26, 2024
- Q that is 50 mm thick Use shear strength as 350 MN m and 22 7 A horizontal pipe has a cross section of 10 cm in one region and of...
- Q Two balls are dropped from the top of a high tower wi time interval of t second where to is smaller than the time taken by the first ball to...
- Q Standing waves are produced on a stretched string of length L with fixed ends When there is a node at a distance L 3 from one end then A minimum...
- Q n the figure shown S and S are two identical coherent sources of sound separated by d A receiver moves along line XY which is parallel to S S to...
- Q Note You anamping queron Answer A ball is dropped from a tower of height 30 0 m If the terminal speed of the ball is 25 0 m s then...
- Q Two particles having position vectors 31 51 m and 2 51 31 m at t 0 are moving with velocities V 41 33 m s and V ai 73 m...
- Q 3 A convex lens L and a concave lens L have refractive index Match the following two columns 2 Column l A L is immersed in a liquid of refractive...
- Q If refractive index of material except vacuum for different colour will be different and variation is given as du d a where is wavelength and wavelength increases as we go...
- Q 37 A charge having e m equal to 108 C kg and with velocity 3 x 105 m s enters into a uniform magnetic field B 0 3 tesla at...
- Q A semicircular insulated conductor of radius 0 5 m lying in x z plane is rotated at uniform angular speed of 4 rad s about an axis passing through one...
- Q The mass of a density bottle is 35 g when empty 79 g when filled with water and 63 g when filled with alcohol Find the relative density of alcohol
- Q Identify the correct statement regarding fall time of power transistor You can select multiple correct answers The time during which collector current drops from 0 1 lcs to 0 9...
- Q A uniform rod of length L 60 cm is suspended through an end and is set into oscillation with small amplitude under gravity Find the time period of oscillation g...
- Q Two coplanar uniform identical rings of equal mass m and radius R are rigidly attached to each other at the periphery as shown One ring wears a bead of mass...
- Q For the circuit shown power consumed is 3kw and the power factor is 0 75 Fir a Impedance of circuit b Resistance of coil B of coil A c Inductance...
- Q d linear momentum c acceleration The three vectors whose resultant is zero mus colinear co planar b nonlinear d co axial the following examples given below which but it is...
- Q Q 51 When electric dipole is placed in uniform electric field its two charges experience equal and opposite forces which cancel each other and hence net force on electric dipole...
- Q Q10 The uniform ring of mass m and radius R is free to rotate abo fixed axis AB Find the maximum angular speed attained by the ri when it is...
- Q Electrostatic and Capacitance Example 2 78 Figure shows a combination of twelve capacitors each of capacitance C forming a cube Find the equivalent capacitance of the combination i between the...
- Q 41 An A C source is connected to a resistive circuit Which of the following statements is true A Current leads the voltage in phase B Current lags the voltage...
- Q 20 resistance is connected in series of a cell of emf 2 2 volt The voltmeter across the resistance reads 2 V thus internal resistance of the cell is A...
- Q D variable resistor Q53 Why inductance of toroid is more than the inductance of a solenoid having same number of turns core of same material and similar size A Core...
- Q Correct true statement regarding IGBT Has HIGH INPUT IMPEDANCE AS MOSFET AND HAS High ON STATE POWER LOSS AS IN BJT h O Has HIGH INPUT IMPEDANCE AS MOSFET AND...
- Q 2 5 of 90 Two cars are travelling in the same direction with a velocity of 60 kmph They are separated by a distance of 5 km A truck moving...
- Q A fresh dry cell of 1 5 volt and two resistors of 10 k each are connected in series An analog voltmeter measures a voltage of 0 5 volt across...
- Q air bubble in sphere having 4 cm diameter appears 1 cm from surface nearest to eye when looked along diameter If all stance of bubble from refracting surface is A...
- Q c vector is translated parall d vector is rotated Minimum number of unequal coplanar vectors required whose vector sum can be equal to zero is a two b four c...
- Q In the following part of a circuit i 5 A dl 3 As 12 2A 4 A s Find VA VB dt 2H2V 3V 3H 39 Awwwwwwwww B 20 al...
- Q P 0 0 d generated due to various charge distributions and the dependence of E on d is found to be different for different charge distributions List l contains different...
- Q In figure shown car A is travelling due north and car B is traveling due east They collide and stick to each other Here 1 2 3 4 shows possible...
- Q 1 7 10 A clock hung on a wall has marks instead of numerals on its dial On the adjoining wall there is a plane mirror and the image of...
- Q 8 Calculate the magnetic moment of a thin wire with a current I 0 8A wound tightly on half a tore The diameter of the cross section of the tore...
- Q Assertion Mass is a measure of inertia of the body in linear motion Reason Greater the mass greater is the force required to change its state of rest or motion...
- Q 2 moles of He and 2 moles of O2 are mixed with each other 100R R universal gas constant amount of heat energy is supplied to the gas sample through...
- Q In Young s double slit interference experiment the distance between slits and screen is made 1 6 times initial value by keeping all other parameters same Final band width will...
- Q which is accelerated downward Suppose a boy is enjoying a ride on a merry go round which is moving with a constant speed of 10 ms 1 It implies that...
- Q Figure shows two blocks A and B are connected through pulley and spring system Block A on a frictionless surface has a mass of 2 Kg Block B suspended by...
- Q 29 resistance is connected in series of a cell of emf 2 2 volt The voltmeter across the resistance reads 2 V thus internal r the cell is A B...
- Q 34 35 36 37 38 39 40 41 42 43 A zener diode having breakdown voltage equal to 10V is used in a voltage regulator circuit shown in figure The...
- Q 9 Two small metal spheres having equal charge and mass are suspended from some point on the ceiling of a damp room with silk threads of equal length Let center...
- Q A man running along a straight road with a uniform velocity u ui feels that the rain is falling vertically downwards along If he doubles his speed he finds that...
- Q External Work in displacing a Piston A piston can freely move inside a horizontal cylinder closed from both ends Initially the piston separates the inside space of cylinder in two...
- Q 32 33 34 35 36 37 38 39 40 41 42 English Review Q Which of the following is correct for avalanche breakdown Question Type Single Correct Type 1 Tunneling...
- Q A ring of radius r is spun about its axis with an angular velocity in a horizontal plane A uniform magnetic field of magnitude B exists in the region in...
- Q A Floating Cylinder in Water A thin walled cylinder of mass m height h cross sectional area S is filled with a gas and floats with a part of cylinder...
- Q A platform is moving with velocity V m s in x direction A man starts moving on the platform with velocity 2V in x direction After reaching the right end...
- Q 1 E E 3Eb 2 Ea 3Eb 3 Ea E 3Eb 35 4 Ea 3E E 0 36 37 38 Atomic binding energy of elements A and B are Ea...
- Q A man of mass m has fallen into a ditch of width d Two of his friends are slowly pulling him out using a light rope and two fixed pulleys...
- Q Match the following two column for a convex lens corresponding to object posi Note O Optical centre F First focus F Second focus Column l Column II p Real A...
- Q A locomotive of mass m starts moving with velocity v a s where a is constant s is distance traversed The total work done by all the forces acting on...
- Q 27 Which of the following is not an application of conservation of linear momentum While firing a bullet the gun must be held tight to the shoulder b When a...
- Q A large concave mirror with a radius of curvature of 0 5 m is placed on a horizontal plate We pour a small amount of water into the mirror and...
- Q Sand is being dropped from stationary hopper at the rate of 5 kg s on to a conveyor belt moving with a constant speed of 2 m s What is...
- Q PASSAGE Consider a resistance of 2002 an inductance of 0 2 H and a capacitance of 100 F are connected in series across 220 V 50 Hz mains Determine the...
- Q 13 In a parallel plate capacitor the region between the plates is filled by a dielectric slab The capacitor is connected to a cell and the slab is taken out...
- Q 4 A body of mass 20 kg starts from rest at the top of a hill of height 50 m and moves down the rough curved track If its speed...
- Q 6 A particle starts from rest accelerates at 2 ms 2 for 10 s and then goes for constant speed for 30 s and then decelerates till it stops after...
- Q Digital Classroom NEETUO Physics 17 18 19 20 21 22 23 24 25 26 10 20 0401 20 resistance is connected in series of a cell of emf 2 2...
- Q A block of mass 0 1 kg attached to a spring of spring constant 400 N m is pulled horizontally from x 0 to x 10 mm Find the work...
- Q In the adjoining figure if the block starts of moving from rest work done by the frictional force from t 1 sto t 2s is A 60 J C 180...
- Q 5 A point charge Q is moved along a circular path around another fixed point charge The work done is zero only if Q returns to its starting point only...
- Q a CD b DE c AB d BC 10 Which of the following statements is not correct a Whenever the amount of magnetic flux linked with a circuit change an...
- Q string 5 beats per second is heard If tension in the string is slightly increased then beats with the same tuning fork become 3 beats per second The frequency of...
- Q A particle moves along the x axis so that at time t 0 its position is given by x t 2t3 312 36t 50 What is the total distance travelled...
- Q 7 An ammeter and a voltmeter are joined in series to a cell Their readings are A and V respectively If a resistance is now joined in parallel with the...
- Q Two objects of the same mass slide down on two different smooth inclined plane of same height but of different angles When they reach the bottom then 1 and 1...
- Q 1 1 20 min A body cools from 60 C to 40 C in 10 minutes If the room temperature is 10 C and assuming Newton s cooling law holds...
- Q 12 The south pole of a bar magnet is rapidly moved towards one face let us say A of a coil Which of the following statements correctly depicts the phenomenon...
- Q 27 Following figure shows the variation of velocity with time for an object Determine the displacement of the object during the 16 seconds Also find the acceleration of the object...
- Q Body of mass M is kept on a rough horizontal surface having coefficient of friction u Person is trying to pull the body by applying an external force horizontally but...
- Q figure shown car A is travelling due north and car B is traveling due east They collide and stick to each other Here 1 2 3 4 ossible direction of...
- Q 6 The charge flowing in a conductor varies with time as Q at bt2 Then the curre decreases linearly with time reaches a maximum and then decreases falls to zero...
- Q 11 Two electric bulbs A and B are designed for the same voltage Their power ratings are PA 500W and PB 400W respectively with PA PB If they are joined...
- Q The frequency of tuning fork in resonance tube experiment is 500 Hz The first resonance occured at vibrating length of air column of 17 cm The inner diameter of tube...
- Q A ladder of mass m and length I stands against a frictionless wall with its feet on a frictionless floor If it is let go at an initial angle 80...
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