Physics questions
20027 published questions with worked solutions.
- Two bodies are projected from ground with same speeds 40 ms^ -1 at two different angles with respect to horizontal. The bodies...
- Two parallel plate capacitors C_1 and C_2 each having capacitance of 10 are individually charged by a 100 V D.C. source....
- If the binding energy of ground state electron in a hydrogen atom is 13.6 eV, then, the energy required to remove the electron...
- Two discs of same mass and different radii are made of different materials such that their thickness are 1 cm and 0.5 cm...
- A series LCR circuit consists of R = 80 , X_L = 100 , and X_C = 40 . The input voltage is 2500 cos(100 ) V. The amplitude of...
- The displacement equations of two interfering waves are given by y_1=10 ( t+ 3 )cm, y_2=5[ t+ 3 t]cm respectively. the amplitude...
- Two light waves of wavelengths 800 and 600 nm are used in Young's double slit experiment to obtain interference fringes on a...
- A bar magnet with a magnetic moment 5.0 Am^2 is placed in parallel position relative to a magnetic field of 0.4 T. The amount of...Not in JEE Advanced syllabus
- The maximum potential energy of a block executing simple harmonic motion is 25 J. A is amplitude of oscillation. At A 2 , the...
- A rod with circular cross-section area 2 cm^2 and length 40 cm is wound uniformly with 400 turns of an insulated wire. If a...
- 100 balls each of mass m moving with speed v simultaneously strike a wall normally and reflected back with same speed, in time t...
- The effect of increase in temperature on the number of electrons in conduction band (n_e) and resistance of a semiconductor will...Not in JEE Advanced syllabus
- The amplitude of 15 sin(1000 ) is modulated by 10 sin(4 ) signal. The amplitude modulated signal contains frequency(ies) of A....Not in JEE or NEET syllabus
- If a source of electromagnetic radiation having power 15kW produces 10^ 16 photons per second, the radiation belongs to a part of...
- At a certain depth "d" below surface of earth, value of acceleration due to gravity becomes four times that is value at a height...
- Spherical insulating ball and a spherical metallic ball of same size and mass are dropped from the same height. Choose the...
- The initial speed of a projectile fired from ground is u. At the highest point during its motion, the speed of projectile is 3 2...
- If 1000 droplets of water of surface tension 0.07 N/m, having same radius 1 mm each, combine to from a single drop. In the...
- The drift velocity of electrons for a conductor connected in an electrical circuit is V_d. The conductor in now replaced by...
- Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R Assertion A : The beam of...