Physics question and answers for June 23, 2024
- Q A monkey B shown in figure is holding on to the tail of monkey A who is climbing up a rope The masses of the monkey A and B are...
- Q 3 45 4 60 Three blocks of masses 4 kg 2 kg and I ke ram nee respectively are in contact on a frictionless table as shown in the figure...
- Q A thin bar magnet is placed in a uniform magnetic field and is aligned with the field The needle is now rotated by an angle of 45 and the work...
- Q Power supplied to a particle of mass 2 kg varies with time as P 3t watt Here t is time in 2 second If velocity of particle at t 0...
- Q Three blocks are placed at rest on a smooth inclined plane with force acting on m parallel to the inclined plane Find the contact force between m and m F...
- Q A 10 kg block is pulled along a frictionless surface in the form of an arc of a circle of radius 10 m The applied force F is 200 N...
- Q man of mass 50 kg stands on a frame of mass 30 kg He pulls on a light rope which passes over a pulley The other end of the rope...
- Q Two blocks A and B of same mass are connected through a string and arranged as shown in figure When the system is released from rest and there is no...
- Q The pulleys and strings shown in the figure are smooth and of negligible mass For the system to remain in equilibrium the angle a should be m 1 0 3...
- Q If the speed v of a particle of mass m as function of time t is given by v A sin where A has dimension of 5 m length A...
- Q A block of mass 10 kg is suspended by three strings as shown in the figure The tension T is 100 N 3 3 100N questionper 60 T T 10...
- Q An inductor of inductance 20 mH is connected across the terminals of a capacitor of capacitance 2 F which is initially charged to a potential 10 2v The charge on...
- Q 4 57 Figure 4 115 shows a boy on a horizontal platform A on a smooth horizontal surface holding a rope attached to a box B Boy pulls the rope...
- Q A block of mass 2 kg is placed on rough horizontal surface and pulled with a horizontal constant force F that its velocity remains 2 cm s constant If coefficient...
- Q When 100 V DC is applied across a solenoid a current of 1 A flows in it When 100 V AC is applied across the same coil the current drops...
- Q A cylinder with radius R spins about its horizontal axis with angular speed w There is a small block lying on the inner surface of the cylinder The coefficient of...
- Q Example 3 1 a Estimate the average drift speed of conduction electrons in a copper wire of cross sectional area 1 0 x 107 m carrying a current of 1...
- Q nswer given a 5 Bottom arm of a U tube of uniform section has length I and the vertica arms have length 31 each The tube is held with its...
- Q Figure shows a man of mass m holding a ladder attached to a weight of mass M by a string supported by a light smooth pulley If whole system is...
- Q A particle starts from rest from point P and follow a path PQ on the three surfaces as shown in figures If time taken by the particles in three cases...
- Q 11 A potentiometer consists of a wire of length 4 m and resistance 20 S2 If it is connected to a cell of emf 20 volt the potential difference per...
- Q 7 State whether the following statements are true or false If zero of the potential energy is not at infinity even then total energy of an orbiting satellite is negative...
- Q The friction of the air causes a vertical retardation equal to 10 of the acceleration due to gravity Take acceleration 10m s The maximum height and time to reach the...
- Q 3 A galvanometer having a coil resistance of 100 gives a full scale deflection when a current of 1 mA is passed through it The value of the resistance which...
- Q A chalk block of mass 2kg is given an initial speed of 2 m s along a rough horizontal floor u 0 2 Due to wear the block loses mass...
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