Physics questions
20027 published questions with worked solutions.
- Photon of frequency v has a momentum associated with it. If c is the velocity of light, the momentum is
- In gamma ray emission from a nucleus
- The half-life period of a radio-active element X is same as the mean life time of another radioactive element Y . Initially they...
- Carbon, silicon and germanium have four valence electrons each. At room temperature which one of the following statements is most...Not in JEE Advanced syllabus
- The dimension of magnetic field in M, L, T and C (Coulomb) is given as
- A body of mass m = 3.513 kg is moving along the x-axis with a speed of 5.00 ms^ -1 . The magnitude of its momentum is recorded as
- A block of mass 0.50 kg is moving with a speed of 2.00 m/s on a smooth surface. It strikes another mass of 1.00 kg and then they...
- Consider a uniform square plate of side ' a ' and mass ' m '. The moment of inertia of this plate about an axis perpendicular to...
- A planet in a distant solar system is 10 times more massive than the earth and its radius is 10 times smaller. Given that the...
- This question contains Statement −1 and Statement-2. Of the four choices given after the statements, choose the one that best...
- A spherical solid ball of volume V is made of a material of density _1. It is falling through a liquid of density _2 ( _2 < _1)....
- An insulated container of gas has two chambers separated by an insulating partition. One of the chambers has volume V_1 and...
- While measuring the speed of sound by performing a resonance column experiment, a student gets the first resonance condition at a...
- A wave travelling along the x-axis is described by the equation y(x, t) = 0.005 ( x - t). If the wavelength and the time period...
- A parallel plate capacitor with air between the plates has a capacitance of 9pF. The separation between its plates is ' d '. The...
- Relative permittivity and permeability of a material are _r and _r, respectively. Which of the following values of these...Not in JEE Advanced syllabus
- A horizontal overhead power line is at a height of 4 m from the ground and carries a current of 100 A from east to west. The...
- Two coaxial solenoids are made by winding thin insulated wire over a pipe of cross sectional area A = 10 cm^2 and length = 20 cm....
- An experiment is performed to find the refractive index of glass using a travelling microscope. In this experiment distance are...
- Suppose an electron is attracted towards the origin by a force k/r where ' k ' is a constant and ' r ' is the distance of the...