Physics questions
20027 published questions with worked solutions.
- The velocity of a particle executing SHM varies with displacement (x) as 4v^2=50-x^2. The time period of oscillation is x 7 s....
- In an ac generator, a rectangular coil of 100 turns each having area 14 10^ -2 m^2 is rotated at 360 rev/min about an axis...
- A body of mass 2 kg is initially at rest. It starts moving unidirectionally under the influence of a source of constant power P....
- In a Young's double slit experiment, the intensities at two points, for the path differences 4 and 3 ( being the wavelength of...
- A stone tied to 180 cm long string at its end is making 28 revolutions in horizontal circle in every minute. The magnitude of...
- Choose the correct relationship between Poisson ratio ( ), bulk modulus (K) and modulus of rigidity ( ) of a given solid object
- A small object at rest, absorbs a light pulse of power 20 mW and duration 300 ns. Assuming speed of light as 3 10^8m/s, the...
- The magnetic moment associated with two closely wound circular coils A and B of radius r_A = 10 cm and r_B = 20 cm respectively...
- A ball of mass 200 g rests on a vertical post of height 20 m. A bullet of mass 10 g, travelling in horizontal direction, hits the...
- Two isolated metallic solid spheres of radii R and 2R are charged such that both have same charge density . The spheres are then...
- The pressure (P) and temperature (T) relationship of an ideal gas obeys the equation PT^2 = constant. The volume expansion...
- Match Column-I with Column-II : Column-I (x-t graphs): (A)-(D) various curves Column-II (v-t graphs): (I)-(IV) various curves...
- The charge flowing in a conductor changes with time as Q(t) = – t^2+ t^3. Where , and are constants. Minimum value of current is
- The height of liquid column raised in a capillary tube of certain radius when dipped in liquid A vertically is, 5 cm. If the tube...
- A person has been using spectacles of power –1.0 dioptre for distant vision and a separate reading glass of power 2.0 dioptres....
- A sinusoidal carrier voltage is amplitude modulated. The resultant amplitude modulated wave has maximum and minimum amplitude of...Not in JEE or NEET syllabus
- If the gravitational field in the space is given as (- K r^2 ). Taking the reference point to be at r = 2 cm. the gravitational...
- In an experiment for estimating the value of focal length of converging mirror, image of an object placed at 40 cm from the pole...
- In a screw gauge, there are 100 divisions on the circular scale and the main scale moves by 0.5 mm on a complete rotation of the...
- A capacitor of capacitance 900 is charged by a 100 V battery. The capacitor is disconnected from the battery and connected to...