Physics questions
20027 published questions with worked solutions.
- An engine takes in 5 moles of air at 20°C and 1 atm, and compresses it adiabaticaly to 1/10th of the original volume. Assuming...
- A circular coil of radius 10 cm is placed in a uniform magnetic field of 3.0 10^ -5 T with its plane perpendicular to the field...
- When radiation of wavelength is used to illuminate a metallic surface, the stopping potential is V. When the same surface is...
- A satellite is moving in a low nearly circular orbit around the earth. Its radius is roughly equal to that of the earth's radius...
- A balloon filled with helium (32°C and 1.7 atm) bursts. Immediately afterwards the expansion of helium can be considered as
- Magnitude of magnetic field (in SI units) at the centre of a hexagonal shape coil of side 10 cm, 50 turns and carrying current I...
- When the wavelength of radiation of falling on a metal is changed from 500 nm to 200 nm, the maximum kinetic energy of the...
- Two isolated conducting spheres S_1 and S_2 of radius 2 3 R and 1 3 R have 12 and –3 charges, respectively, and are at a large...
- A uniform thin rope of length 12 m and mass 6 kg hangs vertically from a rigid support and a block of mass 2 kg is attached to...
- A 750 Hz, 20 V (rms) source is connected to a resistance of 100 , an inductance of 0.1803 H and a capacitance of 10 all in...
- Moment of inertia of a cylinder of mass M, length L and radius R about an axis passing through its centre and perpendicular to...
- Using screw gauge of pitch 0.1 cm and 50 divisions on its circular scale, the thickness of an object is measured. It should...
- In a radioactive material, fraction of active material remaining after time t is 9/16. The fraction that was remaining after t/2...
- When a diode is forward biased, it has a voltage drop of 0.5 V. The safe limit of current through the diode is 10 mA. If a...Not in JEE Advanced syllabus
- A charged particle carrying charge 1 is moving with velocity (2 i +3 j +4 k ) m/s. If an external magnetic field of (5 i +3 j -6...
- The magnetic field of a plane electromagnetic wave is B =3 10^ -8 [200 (y+ct)] i T where c = 3 10^8 m/s is the speed of light....
- In a Young's double slit experiment, light of 500 nm is used to produce an interference pattern. When the distance between the...
- When a long glass capillary tube of radius 0.015 cm is dipped in a liquid, the liquid rises to a height of 15 cm within it. If...
- A person of 80 kg mass is standing on the rim of a circular platform of mass 200 kg rotating about its axis as 5 revolutions per...
- A bakelite beaker has volume capacity of 500 cc at 30ºC. When it is partially filled with V_m volume (at 30ºC) of mercury, it is...