Physics questions
20027 published questions with worked solutions.
- Two conducting circular loops of radii R_1 and R_2 are placed in the same plane with their centres coinciding. If R_1 R_2, the...
- The temperature of a gas is −78°C and the average translational kinetic energy of its molecules is K. The temperature at which...
- Two cars are travelling towards each other at speed of 20 ms⁻¹ each. When the cars are 300 m apart, both the drivers apply brakes...
- The de-Broglie wavelength associated with a particle of mass m and energy E is h/ 2mE . The dimensional formula for Planck's...
- A satellite of 10³ kg mass is revolving in circular orbit of radius 2R. If 10^4R 6 J energy is supplied to the satellite, it...
- UV light of 4.13 eV is incident on a photosensitive metal surface having work function 3.13 eV. The maximum kinetic energy of...
- The energy released in the fusion of 2 kg of hydrogen deep in the sun is E_H and the energy released in the fission of 2 kg of...
- A spherical ball of radius 1 × 10⁻⁴ m and density 10⁵ kg/m³ falls freely under gravity through a distance h before entering a...
- A straight magnetic strip has a magnetic moment of 44 Am². If the strip is bent in a semicircular shape, its magnetic moment will...Not in JEE Advanced syllabus
- A particle of mass 0.50 kg executes simple harmonic motion under force F = −50(Nm⁻¹)x. The time period of oscillation is x 35 s....
- A capacitor of reactance 4√3 Ω and a resistor of resistance 4Ω are connected in series with an ac source of peak value 8√2 V. The...
- A circular disc reaches from top to bottom of an inclined plane of length ℓ. When it slips down the plane, if takes t s. When it...
- Monochromatic light of wavelength 500 nm is used in Young's double slit experiment. An interference pattern is obtained on a...
- A force (3x² + 2x − 5) N displaces a body from x = 2 m to x = 4m. Work done by this force is ............J.
- At room temperature (27°C), the resistance of a heating element is 50Ω. The temperature coefficient of the material is 2.4 × 10⁻⁴...
- A proton, an electron and an alpha particle have the same energies. Their de-Broglie wavelengths will be compared as: a
- A particle moving in a straight line covers half the distance with speed 6 m/s. The other half is covered in two equal time...
- A plane EM wave is propagating along x direction. It has a wavelength of 4 mm. If electric field is in y direction with the...
- Given below are two statements: Statement (I): When an object is placed at the centre of curvature of a concave lens, image is...
- A light emitting diode (LED) is fabricated using GaAs semiconducting material whose band gap is 1.42 eV. The wavelength of light...Not in JEE Advanced syllabus