Physics question and answers for June 05, 2024
- Q 15 A gardener waters plants by a pipe of cross section 1 mm The water comes out at the rate of 100 cc s The reactionary force exerted on the...
- Q kr protons which may be written as F Ce r r a Write down the dimensional formulae and appropriate SI units of C and k b Suppose that k 1...
- Q An object of mass 500 g initially at rest is acted upon by a variable force whose X component varies with x in the manner shown The velocities of the...
- Q A child s pogo stick figure stores energy in a spring with a force constant of 2 5 x 10 N m At position A x 0 10 m the...
- Q 9 A 1000 kg roller coaster car moves from point A to B then C Find the potential energy at each point A 30 m B 10 m C 25...
- Q A table of height 1 m has a hole in the middle of its surface A thin platinum chain of length 1 m is placed loosely coiled close to the...
- Q A uniform rope of linear mass density and length is coiled on a smooth horizontal surface One end is pulled up with constant velocity v Then find average power applied...
- Q 50 A force acts on a 3 g particle in such a way that the position of the particle as a function of time is given by x 3t 4t...
- Q A small block of mass 2 kg is projected on a horizontal smooth floor with speed 4 m s which merges into a rough vertical circular path in shape of...
- Q 39 A 2 kg ball is thrown up with an initial speed 12 m s and reaches a maximum height of 10 m How much energy is dissipated by air...
- Q The gravitational field is given as 7 41 61 N kg If a particle is moved from 0 5 3 m to 5 2 0 m on the line 6y...
- Q i In this case force exerted by the spring F and displacement of the block point B are in the same direction so 1ooooooooo W XO 0 W Fdx kxdx...
- Q 7 A cubical block of wood of edge 3 cm floats in water The lower surface of the cube just touches the free end of a vertical spring fixed at...
- Q A spring of mass m is pulled such that a given instant velocity of both of its end is v in the opposite direction Find the kinetic energy of the...
- Q APQ is a rough surface The portion AP is parabolic given by equation x 16y The point A assumed to be origin The portion PQ is a straight line of...
- Q 2 A particle of charge q 4 C and mass m 10 mg starts moving from the origin under the action of an electric field E 4i and magnetic field...
- Q mason is supplied with bricks by his assistant who is 3 m below him the assistant tossing the brick vertically up The speed of the brick when it reaches the...
- Q In a two atom system equilibrium distance between centers is r Ro Centre of one atom is at origin and centre of other is at r away Potential energy of...
- Q An ammeter and a voltmeter of resistance R are connected in series to an electric cell of negligible internal resistance Their readings are A and V respectively If another resistance...
- Q Three forces 3 1 31 k 7 2i 9k and 11 21 j 6k are acting on a particle Calculate the work done in displacing the particle from point 4...
- Q A system of wedge and block as shown in fig released with the spring in its natural length Al surfaces are frictionless Maximum elongation in the spring will be 373...
- Q 5 Water is moving with a speed of 5 0 m s through a pipe will cross sectional area of 4 0 cm2 The water gradually descends 10 m as...
- Q 74 Let r be the distance of a particle from a fixed point to which it is attracted by an inverse square law force given by F kir k constant...
- Q A mass m is attached to the end of a rod of length e The mass goes around a verticle circular path with the other end hinged at the centre...
- Q 37 If two resistors of 25 22 and 15 Q2 resistor the effective resistance of the combination is a 0 1 Q b 10 Q c 20 92 d 40...
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