Physics questions
20027 published questions with worked solutions.
- Two identical conducting spheres with negligible volume have charges 2.1 nC and –0.1 nC, respectively. They are brought into...
- Two particles having masses 4 g and 16 g respectively are moving with equal kinetic energies. The ratio of the magnitudes of...
- Given below are two statement : one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : When a rod...
- A student is performing the experiment of resonance column. The diameter of the column tube is 6 cm. The frequency of the tuning...
- A proton, a deuteron and an particle are moving with same momentum in a uniform magnetic field. The ratio of magnetic forces...
- Given below are two statement : Statement-I: A speech signal of 2 kHz is used to modulate a carrier signal of 1 MHz. The band...Not in JEE or NEET syllabus
- The pitch of the screw gauge is 1mm and there are 100 divisions on the circular scale. When nothing is put in between the jaws,...
- An particle and a proton are accelerated from rest by a potential difference of 200 V. After this, their de Broglie wavelengths...
- An engine of a train, moving with uniform acceleration, passes the signal-post with velocity u and the last compartment with...
- Match List-I with List-II : List-I: (a) h (Planck's constant) (b) E (kinetic energy) (c) V (electric potential) (d) P (linear...
- Magnetic fields at two points on the axis of a circular coil at a distance of 0.05 m and 0.2 m from the centre are in the ratio 8...
- Two radioactive substances X and Y originally have N_1 and N_2 nuclei respectively. Half life of X is half of the half life of Y....
- Given below are two statement : one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : The escape...
- Two coherent light sources having intensity in the ratio 2x produce an interference pattern. The ratio I_ max -I_ min I_ max +I_...
- A transmitting station releases waves of wavelength 960 m. A capacitor of 2.56 is used in the resonant circuit. The self...
- The electric field in a region is given by E = ( 3 5 E_0 i + 4 5 E_0 j ) N C . The ratio of flux of reported field through the...
- In a certain thermodynamical process, the pressure of a gas depends on its volume as kV^3. The work done when the temperature...
- A small bob tied at one end of a thin string of length 1m is describing a vertical circle so that the maximum and minimum tension...
- The same size images are formed by a convex lens when the object is placed at 20cm or at 10cm from the lens. The focal length of...
- 512 identical drops of mercury are charged to a potential of 2V each. The drops are joined to form a single drop. The potential...