Physics questions
20027 published questions with worked solutions.
- A car is moving on a circular path of radius 600 m such that the magnitudes of the tangential acceleration and centripetal...
- Unpolarised light is incident on the boundary between two dielectric media, whose dielectric constants are 2.8 (medium – 1) and...
- A particle of mass 250 g executes a simple harmonic motion under a periodic force F = (– 25 x) N. The particle attains a maximum...
- In an experiment of measuring the refractive index of a glass slab using travelling microscope in physics lab, a student measures...
- An inductor of inductance 2 is connected in series with a resistance, a variable capacitor and an AC source of frequency 7 kHz....
- If a radioactive element having half-life of 30 min. is undergoing beta decay, the fraction of radioactive element remains...
- A block of mass m slides down the plane inclined at angle 30° with an acceleration g 4 . The value of coefficient of kinetic...
- Surface tension of a soap bubble is 2.0 10^ -2 Nm^ -1 . Work done to increase the radius of soap bubble from 3.5 cm to 7 cm will...
- A car is moving on a horizontal curved road with radius 50 m. The approximate maximum speed of car will be, if friction between...
- Two particles of equal mass 'm' move in a circle of radius 'r' under the action of their mutual gravitational attraction. The...
- A bicycle tyre is filled with air having pressure of 270 kPa at 27°C. The approximate pressure of the air in the tyre when the...
- In a cuboid of dimension 2L × 2L × L, a charge q is placed at the center of the surface 'S' having area of 4L^2. The flux through...
- Which one of the following statement is not correct in the case of light emitting diodes? A. It is a heavily doped p-n junction....Not in JEE Advanced syllabus
- Match List I with List II: List I (Physical Quantity): A Pressure gradient B Energy density C Electric field D Latent heat List...
- Which of the following are true? (A) Speed of light in vacuum is dependent on the direction of propagation. (B) Speed of light in...
- If the height of transmitting and receiving antennas are 80 m each, the maximum line of sight distance will be: Given: Earth's...Not in JEE or NEET syllabus
- Find the mutual inductance in the arrangement, when a small circular loop of wire of radius 'R' is placed inside a large square...
- The threshold wavelength for photoelectric emission from a material is 5500 Å. Photoelectrons will be emitted, when this material...
- A person observes two moving trains, 'A' reaching the station and 'B' leaving the station with equal speed of 30 m/s. If both...
- A certain elastic conducting material is stretched into a circular loop. It is placed with its plane perpendicular to a uniform...