Physics questions
20027 published questions with worked solutions.
- The moment of inertia of a square loop made of four uniform solid cylinders, each having radius R and length L(R<L) about an axis...
- Consider light travelling from a medium A to medium B separated by a plane interface. If the light undergoes total internal...
- A 20 m long uniform copper wire held horizontally is allowed to fall under the gravity (g=10 m/s^2) through a uniform horizontal...
- Two small balls with masses m and 2m are attached to both ends of a rigid rod of length d and negligible mass. If angular...
- In a perfectly inelastic collision, two spheres made of the same material with masses 15 kg and 25 kg, moving in opposite...
- In a screw gauge, the zero of the circular scale lies 3 divisions above the horizontal pitch line when their metallic studs are...
- Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Consider a...Not in JEE Advanced syllabus
- A simple pendulum made of mass 10 g and a metallic wire of length 10 cm is suspended vertically in a uniform magnetic field of 2...
- The equation of the electric field of an electromagnetic wave propagating through free space is given by : E = 377 (6.27 10^3 t -...
- In two separate Young's double-slit experimental set-ups, two monochromatic light sources of different wavelengths are used to...
- The internal energy of a monoatomic gas is 3nRT. One mole of helium is kept in a cylinder having internal cross section area of...
- An air bubble of volume 2.9 cm ^3 rises from the bottom of a swimming pool of 5 m deep. At the bottom of the pool water...
- One mole of an ideal diatomic gas expands from volume V to 2V isothermally at a temperature 27^ C and does W joule of work. If...
- A circular loop of radius 7 cm is placed in uniform magnetic field of 0.2 T directed perpendicular to plane of loop. The loop is...
- Suppose a long solenoid of 100 cm length, radius 2 cm having 500 turns per unit length, carries a current I = 10 ( t) A , where =...
- The ratio of speeds of electromagnetic waves in vacuum and a medium, having dielectric constant k = 3 and permeability of = 2 _0,...
- A small metallic sphere of diameter 2 , mm and density 10.5 , g/cm ^3 is dropped in glycerine having viscosity 10 , Poise and...
- The average energy released per fission for the nucleus of _ 92 ^ 235 U is 190 , MeV . When all the atoms of 47 , g pure _ 92 ^...
- The size of the images of an object, formed by a thin lens are equal when the object is placed at two different positions 8 cm...
- A ball of radius r and density dropped through a viscous liquid of density and viscosity attains its terminal velocity at time t...