Physics questions
20027 published questions with worked solutions.
- A circular conducting coil of radius 1 m is being heated by the change of magnetic field B passing perpendicular to the plane in...
- The value of aluminium susceptibility is 2.2 10^ -5 . The percentage increase in the magnetic field if space within a current...Not in JEE Advanced syllabus
- A particle of mass 1 mg and charge q is lying at the mid-point of two stationary particles kept at distance '2 m' when each is...
- An electric bulb rated as 200 W at 100 V is used in a circuit having 200 V supply. The resistance 'R' that must be put in series...
- A pendulum bob has a speed of 3 m/s at its lowest position. The pendulum is 50 cm long. The speed of bob, when the length makes...
- A particle of mass 'm' is moving in time 't' on a trajectory given by r =10 t^2 i +5 (t-5) j Where and are dimensional constants....
- The temperature of equal masses of three different liquids x, y and z are 10ºC, 20ºC and 30ºC respectively. The temperature of...
- The de-Broglie wavelength of a particle having kinetic energy E is . How much extra energy must be given to this particle so that...
- A particle of mass m is suspended from a ceiling through a string of length L. The particle moves in a horizontal circle of...
- A cylindrical container of volume 4.0 10^ -3 m^3 contains one mole of hydrogen and two moles of carbon dioxide. Assume the...
- A light beam is described by E=800 (t- x c ). An electron is allowed to move normal to the propagation of light beam with a speed...
- If you are provided a set of resistances 2 , 4 , 6 and 8 . Connect these resistances so as to obtain an equivalent resistance of...
- A bomb is dropped by fighter plane flying horizontally. To an observer sitting in the plane, the trajectory of the bomb is a :
- A transmitting antenna at top of a tower has a height of 50 m and the height of receiving antenna is 80 m. What is range of...Not in JEE or NEET syllabus
- A refrigerator consumes an average 35 W power to operate between temperature –10°C to 25°C. If there is no loss of energy then...
- An electric bulb 500 watt at 100 volt is used in a circuit having 200 V supply. Calculate the resistance R to be connected in...
- Match List–I with List–II. List-I: (a) Magnetic Induction (b) Magnetic Flux (c) Magnetic Permeability (d) Magnetization List-II:...Not in JEE Advanced syllabus
- In the given circuit the AC source has = 100 rad s^ -1 . Considering the inductor and capacitor to be ideal, the what will be the...
- If the length of the pendulum in pendulum clock increases by 0.1%, then the error in time per day is :
- Two blocks of masses 3 kg and 5 kg are connected by a metal wire going over a smooth pulley. The breaking stress of the metal is...