Physics question and answers for June 28, 2024
- Q Q4 You are being given the following two spherical surfaces 3 a Denser Convex Spherical surface for the propagation of the light rays from rarer Air to denser medium b...
- Q A wedge of mass M is pushed with an constant acceleration of a gtan along a smooth horizontal surface and a block of mass m is projected down the smooth...
- Q d If the fish is stored at ordinary temperatu 10 Three identical buckets were filled with water to the brim In the first one a solid iron ball about the...
- Q A football of radius R is kept on a hole of radius r r R made on a plank kept horizontally One end of the plank is now lifted so...
- Q gure shows a particle of charge q and mass m moving with velocity v along the x axis enters a gion of uniform magnetic field Minimum value of v so...
- Q A pendulum is hanging from the ceiling of a If the cage moves up with constant acceleration a its tension is T and if it moves down with same acceleration...
- Q Three consecutive resonant frequencies of stretched string fixed at both ends are 60 Hz 90 Hz and 120 Hz then NCERT Pg 382 1 The fundamental frequency is 30 Hz...
- Q Question No 11 Single Correct A A A river is flowing from east to west at a speed of 6m min A man on south bank of river capable of...
- Q 1g of water as 100 C occupies a volume 1670cm when it becomes steam at 100 C at one atm The change in internal energy for the process is nearly...
- Q Maximum kinetic energy of emitted electron depends on frequency of incident photon when frequency of incident photons is Equal to threshold frequency Half of threshold frequency Greater than threshold frequency...
- Q A few electric field lines for a system of two charges Q and Q fixed at two different points on the x axis are shown in the figure These lines...
- Q Two plates of same mass are attached rigidly to the two ends of a spring One of the plates rests on a horizontal surface and the other results a compression...
- Q 7 Find the compression in the spring if the system shown below is in equilibrium 1 3 0 mg m mg cos 0 k M k voor 2 pmm Smooth...
- Q 4 ppm means 4atoms per 10 6 atoms then ne 4 10 27 4 10 6 only na why they are giving like this please explain A pure semiconductor crystal...
- Q A uniform round object of mass M and radius R is placed on a rough plank of mass M which is placed on smooth surface Round object is given velocity...
- Q 4 Two rays of light are incident normally on water Bo the rays pass through glass slabs of different height as shown in the figure Refractive indices of water an...
- Q Two circuits are shown in the figure a b At a frequency of rad s the average power dissipate in one cycle will be same in both the circuits 50...
- Q The figure shows two large closely placed parallel nonconducting sheets with identical positive uniform surface charge densities and a sphere with a uniform positive volume charge density Four points marked...
- Q A series LCR circuit is connected to an AC source of variable frequency When the frequency is increased continuously starl from very small value the power factor a kada ng...
- Q 20 180 Two similar circular coaxial loops carry equal currents in the same direction If the loops are brought nearer what will happen Current will increase in each loop Current...
- Q An open glass tube is immersed in mercury in such a way that a length of 8 cm extends above the mercury level The open end of the tube is...
- Q Light rays from a very small object im water falls on the bubble of radius R Assume tha the object is very close to the surface of the 4 bubble...
- Q 1 4 particle is moving along a straight line The distance traveled from the starting position of th e particle 3 seconds later is 180 cm and the distance traveled...
- Q Yourself Two charges 10 C and 10 C are placed 5 mm apart Determine the electric field at a A point P on the axis of the dipole 15 cm...
- Q It is observed that only 0 39 of the original radioactive sample remains undecayed after eight hours Which one of the following is incorrect a the half life of that...
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