Physics questions
20027 published questions with worked solutions.
- A projectile is fired from horizontal ground with speed v and projection angle . When the acceleration due to gravity is g, the...
- The binding energy of nucleons in a nucleus can be affected by the pairwise Coulomb repulsion. Assume that all nucleons are...
- List I describes thermodynamic processes in four different systems. List II gives the magnitudes (either exactly or as a close...
- In a radioactive decay chain reaction, ^ 230 _ 90 Th nucleus decays into ^ 214 _ 84 Po nucleus. The ratio of the number of to...
- In a particular system of units, a physical quantity can be expressed in terms of the electric charge e, electron mass m_e,...
- On a frictionless horizontal plane, a bob of mass m = 0.1 kg is attached to a spring with natural length l_0 = 0.1 m. The spring...
- A bubble has surface tension S. The ideal gas inside the bubble has ratio of specific heats = 5 3 . The bubble is exposed to the...
- A disk of radius R with uniform positive charge density is placed on the xy plane with its center at the origin. The Coulomb...
- When light of a given wavelength is incident on a metallic surface, the minimum potential needed to stop the emitted...
- A bar of mass M = 1.00 kg and length L = 0.20 m is lying on a horizontal frictionless surface. One end of the bar is pivoted at a...
- One mole of an ideal gas expands adiabatically from an initial state (T_A, V_0) to final state (T_f, 5V_0). Another mole of the...
- Two satellites P and Q are moving in different circular orbits around the Earth (radius R). The heights of P and Q from the Earth...
- A Hydrogen-like atom has atomic number Z. Photons emitted in the electronic transitions from level n = 4 to level n = 3 in these...
- In an experiment for determination of the focal length of a thin convex lens, the distance of the object from the lens is 10 0.1...
- A closed container contains a homogeneous mixture of two moles of an ideal monatomic gas ( = 5/3) and one mole of an ideal...
- A person of height 1.6 m is walking away from a lamp post of height 4 m along a straight path on the flat ground. The lamp post...
- Match the temperature of a black body given in List-I with an appropriate statement in List-II, and choose the correct option....
- A series LCR circuit is connected to a 45 ( t) Volt source. The resonant angular frequency of the circuit is 10^5 rad s^ -1 and...
- Young's modulus of elasticity Y is expressed in terms of three derived quantities, namely, the gravitational constant G, Planck's...
- A particle of mass m is moving in the xy-plane such that its velocity at a point (x, y) is given as v = (y x + 2x y ), where is a...