Physics question and answers for August 20, 2024
- Q 0 O m 2m 0 For For 3mg k maximum tension in string is 4mg Smg k minimum tension in string is mg Frequency of osciliation of system in for...
- Q Consider the situation shown in fig The resistanceless wire AB is slid on the fixed rails with a constant velocity If the wire AB is replaced by a resistanceless semicircular...
- Q Two spheres A and B of same mass M are given equal positive and negative charges Q and Q respectively Their masses after charging 1 Remains same 2 Mass of...
- Q A particle of mass 0 2 kg is moving in one dimension under a force that delivers a constant power 0 5 W to the particle If the initial speed...
- Q a Magnetic field at axial point which is well inside the solenoid Honl 2 b Magnetic field at both axial end points of solenoid 0 0 and 9 180 B...
- Q 2 In an L R C series circuit the rms voltage across the resistor is 30 0 V acros the capacitor it is 90 0 V and across the inductor...
- Q 01 Section B Graph of specific heat at constant volume for a monoatomic gas is C 1 2 Cy Previous Year 3 R 3R 2 4 Cy T AHMS 2013...
- Q the figure shown a uniform disc of mass 2m and radius 12 is lying at rest on a smooth horizontal surface A particle A of mass m is connected to...
- Q A mass of 2 grams is acted on by a restoring force 10 dynes cm and resisting force 2 dynes s cm The motion of the particle is 205 overdamped...
- Q The coefficients of friction and masses of various blocks are shown If f is the limiting frictional force between block A and surface and f is the frictional force between...
- Q 02 mp T TI 3 mole of hydrogen is mixed with 1 mole of neon The molar specific heat at constant pressure is AIIMS 2014 1 9R 4 13R 2...
- Q A metallic rod of cross sectional area 9 0 cm and length 0 54 m with the surface insulated to prevent heat loss has one end immersed in boiling water...
- Q In which of the following devices the eddy current effect is not used 1 Electric heater 2 Induction furnace 3 Magnetic braking in train 4 Electromagnet A 800 turn coil...
- Q The mutual inductance between a primary and secondary circuits is 0 5H The resistance of the primary and the seconday circuits are 2002 and 5 2 respectively To generate a...
- Q A circular platform rotates around a vertical axis with angular velocity 1U rad s On the platform is a ball of mass 2 kg attached to the long axis of...
- Q A block of mass 2 kg is free to move along the x axis It is at rest and from t 0 onwards it is subjected to a time dependent...
- Q 2 In a thermocouple the temperature of the cold junction and the neutral temperature are 40 C and 275 C respectively If the cold junction temperature is increased by 60...
- Q If a thin mica sheet of thickness t and refrective index 5 3 is placed in the path of one of the interfering bean as shown in fig Then the...
- Q 4 The work done in an adiabatic process is always zero Two thermally insulated vessels 1 and 2 are filled with air at temperature T T volume V V and...
- Q 4 A wire of length is bent to form a semicircle If it has charge Q then electric field intensity at the centre of the ring is a Qn 4801...
- Q Two uniform rods tied together with the help of a string are balanced as shown in the figure The minimum coefficient of friction for which the system will remain in...
- Q 4 The all times If the water level falls by 4 cm every hour determine the shape of the jar i e specify x as a function of y The...
- Q A constant force F is being applied on a rod of length kept at rest on two parallel conducting rails connected at ends by resistance R in uniform magnetic field...
- Q A rectangular coil has 60 turns and its length and width is 20 cm and 10 cm recpectively The coil rotates at a spec 1800 rotation per minute in a...
- Q 3 Two straight infinitely long current carrying wires are kept along z axis at the coordinates 0 a 0 and 0 a 0 respectively as shown in the figure The...
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