Physics questions
20027 published questions with worked solutions.
- A 10 , 20 mH coil carrying constant current is connected to a battery of 20 V through a switch. Now after switch is opened...
- In a vernier callipers, each cm on the main scale is divided into 20 equal parts. If tenth vernier scale division coincides with...
- Four identical hollow cylindrical columns of mild steel support a big structure of mass 50 × 10^3 kg, The inner and outer radii...
- A current of 1.5 A is flowing through a triangle, of side 9 cm each. The magnetic field at the centroid is : (Assume that the...
- Statement I : Two forces ( P + Q ) and ( P - Q ) where P Q , when act at an angle _1 to each other, the magnitude of their...
- A free electron of 2.6 eV energy collides with a H^+ion. This results in the formation of a hydrogen atom in the first excited...
- Two thin metallic spherical shells of radii r_1 and r_2 (r_1 < r_2) are placed with their centres coinciding A material of...
- If V_A and V_B are the input voltages (either 5V or 0V) then V_0 is the output voltage then the two gates represented in the...Not in JEE Advanced syllabus
- Consider two separate ideal gases of electrons and protons having same number of particles. The temperature of both the gases are...
- A bob of mass 'm' suspended by a thread of length l undergoes simple harmonic oscillations with time period T. If the bob is...
- Statement : I If three forces F_1 , F_2 and F_3 are represented by three sides of a triangle and F_1 + F_2 =- F_3 , then these...
- If velocity [V], time [T] and force [F] are chosen as the base quantities, the dimensions of the mass will be :
- Choose the incorrect statement : (a) The electric lines of force entering into a Gaussian surface provide negative flux. (b) A...
- A block moving horizontally on a smooth surface with a speed of 40 m/s splits into two parts with masses in the ratio of 1:2. If...
- For a body executing S.H.M. : (a) Potential energy is always equal to its K.E. (b) Average potential and kinetic energy over any...
- If R_E be the radius of Earth, then the ratio between the acceleration due to gravity at a depth 'r' below and height 'r' above...
- A bandwidth of 6 MHz is available for A.M. transmission. If the maximum audio signal frequency used for modulating the carrier...Not in JEE or NEET syllabus
- A parallel plate capacitor of capacitance 200 is connected to a battery of 200 V. A dielectric slab of dielectric constant 2 is...
- A particle is moving with constant acceleration 'a'. Following graph shows v^2 versus x(displacement) plot. The acceleration of...
- In a Young's double slit experiment, the slits are separated by 0.3 mm and the screen is 1.5 m fourth bright fringes on both...