Physics question and answers for September 19, 2024
- Q A cell can be balanced against 110 cm and 100 cm of potentiometer wire respectively with and without being short circuited through a resistance of 10 Q2 Its internal resistance...
- Q 8 A body is moving with uniform velocity of 8 ms When the body just crossed another body the second one starts and moves with uniform acceleration of 4 ms...
- Q In the adjacent figure a light and thin string is wound on a uniform disc of mass m and radius r very tightly The disc is kept at rest in...
- Q 3 Two cliff of heights 120m and 100 4m are separated by a horizontal distance of 16m I a car has to reach from the first cliff to the second...
- Q In Young s experiment the width of the fringes obtained with light of wavelength 6000 A is 2 0 mm What will be the fringe width if the entire apparatus...
- Q The distance of final image from AB as observed by observer P is A object Air O 20cm BE H 2 Air H 4cm 2cm H3 1 5 6cm P...
- Q A monochromatic light of frequency v is incident on isolated metallic sphere of radius r The threshold frequency is vo vo v Find the number of photoelectrons emitted before the...
- Q Find the mass Mf of the hanging block in figure 5 E16 which will prevent the smaller block from slipping over the triangular block All the surfaces are frictionless and...
- Q In the shown circuit the rms current through source i will be A 4A C 5A B 15 A D 7A i L L 0 125H ic C 1 4mF...
- Q 126 For amongst the following curves which one shows the variation of velocity with time t for small sized spherical body falling vertically in a long column of viscous liquids...
- Q 2 There is a small air bubble inside a glass sphere u 1 5 of radius 10 cm The bubble is 4 cm below surface and is viewed normally from...
- Q On the horizontal surface of a truck a block of mass 1 kg is placed 0 6 and truck is moving with acceleration 5 m s then the frictional force...
- Q 23 Two particles are executing SHM on two parallel straight lines Amplitude A and time period T of both the particles are equal At time t particle is at displacement...
- Q The young s modulus of material of a thin ring shaped elastic body is Y The mass of ring is m area of cross section is A its initial radius...
- Q 67 If coefficient of friction between all surfaces is 0 4 then find the minimum force F to have equilibrium of the system Take g 10 ms a 62 5...
- Q A plane mirror 50 cm long is hung on a vertical wall of a room with its lower edge 50 cm above the ground A man stands infront of the...
- Q Example 3 6 A battery of 10 V and negligible internal resistance is connected across the diagonally opposite corners of a cubical network consisting of 12 resistors each of resistance...
- Q 100 ml A metallic sphere of density 5 g cm 3 is pro jected upward from the bottom of a pond with a velocity 10 m s The velocity of...
- Q 86 A B C D battery Two identical capacitors are connected in series and the combination is connected with a shown Some changes in the capacitor 1 are now made...
- Q 2 During the first 18 min of a 60 min trip a car has an average speed of 11 ms What should be the average speed for remaining 42 min...
- Q 0 A ring is made of a wire having a resistance R 12 22 Find the points A and B as shown in the figure at which a current carrying...
- Q Which of the following set up can be used to verify law wwwww www www wwwww wwww A A b A d www www A 2003 2M H
- Q A cord passing over a pulley connects two masses as shown where m 3 10 kg and m 6 00 kg The system accelerates with a magnitude of 0 97...
- Q A current passes through a resistor Let K and K represent the average kinetic energy of the conduction electrons and the metal ions respectively a K K c K K...
- Q 26 kJ 2 2 12 kJ 3 4 18 kJ 4 1 05 kJ 100 Which of the following is intensive property of a 540 cal g thermodynamic system 1...
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