Recently Active Physics Questions

*Image* Ideal fluid flows along a flat tube of constant cross-section, located in a horizontal plane and bent as shown( in figure is the top view ) . The flow is steady. Are the pressures and velocities of the fluid equal at ...

Paragraph n moles of Helium gas is filled in a thermally insulated vessel at a temperature T. From a very small orifice of area A gas is coming out. Given V is volume of container and M is molecular mass of gas. [Assume outsi ...

Q: Two charges of charge +2q and +q have masses m and 2m respectively.They are kept in a uniform electric field and allowed to move for the same time. Find the ratio of their kinetic energies : My doubt is to whether to use K ...

Q : A point mass m and charge q is connected with a massless spring of natural length l.Initially spring is in its natural length.If a horizontal UNIFORM electric field E is switched on , : i. Find the separation of the point ...

*Image* ans is c(how??? please explain how to approach in these type of problems..) ...

a bear fell from a height of 19.66 m in 2 s.what is the colour of bear to be most likely expected? well u don have to make mere guesses u have to solve this one n show ur working ;) ...

*Image* take that a fluiid is present upto the brim....and there is asmall orifice as shown.....find y such that range of the fluid that comes out of the orifice is max.. ...

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A plateau is in the shape of a trapezium with the upper surface horizontal and the side surfaces at 60° & 30° to the horizontal.A man walks up the steeper slope at 6 m/s then along the upper surface and then down the inclin ...

The horizontal bottom of a wide vessel with an ideal fluid has a round orifice of radius R1 over which a round closed cylinder is mounted, whose radius R2>R1( see the figure ) . The clearance between the cylinder and the b ...

A cylinder partitioned into two parts is filled with two immiscible liquids A(ρ1) and B(ρ2).Now two orifices(O1 and O2) are simultanously created.Find velocity of efflux Take two cases a)ρ1>ρ2 b)ρ1<ρ2 *Image* ...

Is this question of IIT JEE / AIEEE STANDARD OR LESS ? ...PLEASE SOLVE IT..IT SEEMS EASY..BUT I THINK IT IS NOT.. Q: If the greatest admissible acceleration or retardation of a train be 3 feet/sec2 , find the least time from ...

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Hydrogen atom HA-1 and Hydrogen atom HA-2 are in ground state and in first excited state. A metal plate accepts energies 12.1 eV and 1.9 eV respectively from an Emission spectra.(Work fn=2eV) Find the number of possible lines ...

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*Image* Ques 1) Figure shos a long current carrying wire and two rectangular loops moving with velocity v . Find the direction of current. Ques 2) A rod of length L is placed prependicular to a long wire carrying current i. T ...

If a rigid body is rotating about an axis passing through the point 2i -j - k and parallel to i-2j+2k with an angular velocity = 3 rad/sec , then find velocity of the point whose position vector is 2i + 3j - 4k : [01] -2i+ 3j ...

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SIR CAN YOU TELL ME IS IT SO THAT EVERY GROUP OF ORGANIC COMPOUNDS UNDERGO ONLY PARTICULAR TYPE OF REACTION ...

Q1-in pure rolling of a sphere of radius r on rough horizontal surface if angular acceleration a2 and linear acceleration a1 are related as a1=r*a2. then a-frction force act in direction of rolling b-friction force act in dir ...

An aeroplane has to go from a point A to another point B,500 km away due 30° east of north .wind blowing due north at as speed of 20m/s.The air-speed of the plane is 150m/s.(a)Find the direction in which the pilot should hea ...

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At moon the weight of things become 1/6th of weight of earth.What is the ratio of time period of simple pendulum at earth to that of moon? ...

consider a plane progressive wave y=A sin(kx-wt) propagating in a string having tension F. What is the linear impulse given by the F-transverse acting at x=0 on the time interval t=0 to t= T/4? (asumptions tanθ≈sinθ; Ampl ...

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*Image* Ans : mL2 ...

what is potential drop??plz explain in ur language.. ...

Rounding up physics for jee: this thread is started with the intention of bringing together concepts,notes and details in physics fro jee for revision. would like to ask all for contributions. 1)In case of electron nucleus sy ...

*Image* how to apply Wheatsone's bridge and thermal resistence here?? please explain... ...