Physics question and answers for September 17, 2024
- Q If the radius of the earth be increased to a factor of 5 then by what factor its density be reduced to keep the value of the acceleration due to...
- Q A B C D Column I Particles are projected at same speed from same point on level ground such that their range is same Particles are projected from same point...
- Q The velocities of A and B are marked in the figure Find the velocity of block C assume that the pulleys are ideal and string inextensible Tim s A O...
- Q In an undershot water wheel the cross sectional area a 0 1 m of the stream is striking the series of radial flat vanes of the wheel The velocity of...
- Q Three boys are running on a equitriangular track with the A same speed 5 ms At start they were at the three corners with velocity along indicated directions The velocity...
- Q Two long conductors are arranged as shown above to form overlapping cylinders each of radius r whose centers are separated by a distance d Current of density J flows into...
- Q 18 v t graph for a particle is as V m s shown The distance travelled in the first 4s is a 12 m b 16 m c 20 m...
- Q A metal rod OA of mass m length r is kept rotating with a constant angular speed o in a vertical plane about a horizontal axis at the end O...
- Q A triangular pulse is moving with speed 2 cm s along a rope kept along x axis whose one end is free at x 0 as shown in the figure...
- Q c A voltmeter should have small resistance d A voltmeter should have large resistance 8 A capacitor of capacitance 500 uF is connected to a battery through a 10 k2...
- Q 18 A subatomic particle of mass 10 ug is in thermal equilibrium with its surrounding at a temperature of 400 K Then the wave length of this particle will be
- Q If a point charge is placed is front of a grounded conducting sphere the induced charges on the surface of the sphere is non uniform To calculate the force on...
- Q b What is the resistance in the following network between A and B A ww 192 192 www 19 B
- Q The equivalent capacity of the infinite net work shown in the figure across AB is Capacity of each capacitor is 1 F D AH BH HE E H 1 2...
- Q XXX A block of mass m placed on a horizontal conveyor belt is attached at None end of a spring of force constant k The other end of the spring...
- Q A 4 F capacitor is connected to another 8 F capacitor The combination charged to 300 V calculate 1 Total charge on the combination Total energy stored in the combination
- Q 21 Determine the values of currents I I2 and 13 in the network shown in Fig 2 85 Given that R R 222 R3 122 R4 R5 42 E 5...
- Q 25 A particle of mass 10g moves along a circle of radius 6 4 cm with a constant tangential acceleration What is the magnitude of this acceleration if the kinetic...
- Q Find acceleration of block in given figure 1 6 m s 3 1 m s 10kg 3750 N 37 2 11 m s 4 10 m s
- Q 6 Two balls of equal mass are projected from a tower simultaneously with equal speeds One at angle 8 above the horizontal and the other at the same angle 0...
- Q path XY as shown The abcd is a coil adjacent to the path of electron What will be the direction of current if any induced in the coil X b...
- Q 2 An object moves with velocity V 1 towards the inclined plane mirror as shown in figure The velocity of the image is A Vi B V C 3i 2...
- Q A disc of radius r and carrying positive charge q is rotating with an angular speed o in a uniform magnetic field B about a fixed axis as shown in...
- Q 3 At what height above the earth s surface would the acceleration due to gravity be i half ii one fourth of its value at the earth s surface Radius...
- Q The lens shown is equiconvex having refractive Index 1 5 In the situation shown the final image of object coincides with the object The region between lens and mirror is...
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