
wat is the relation between the acceleration of the reduced mass and center for mass for the system... *Image* ...

condenser blocks d passage of AC DC both none a capacitor wrks in DC circuit AC " both none ...

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Current in inductance=0.8A while in capacitance it is 0.6A .What is max. current withdrawn from source???? *Image* ...

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Can someone please help me in circular motion? I'm blank in this topic and every time I read it, it's as if I'm reading something totally new. Please tell me the basic concepts involved in it and the most impo ...

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Why can't two independent sources of light be coherent? ...

*Image* find equivalent resistance across AB (the two points at the base of the outermost equilatral trianngle..) hint: use principle of symmetry. ...

Find angular speed of particle B with respect to A. *Image* ...

plz guys i'm literally dumb in optics.. suggest me... ...

A chain of length l and mass m lies in a pile on floor.If end A is raised vertically at a constant speed v,express energy lost during lifting of chain in terms of length y of chain which is off the floor at a given instant. ...

is this statement true/ false (plzz giv some resons too ) " weight of an object on the earth is more at midnight than at noon" ...

Suppose a ball of mass m moving with a speed v strikes a horizontal rod of mass M and length L placed on a smooth floor at an end. The coefficient of restitution is 0.5. Find the angular velocity of the rod, the linear veloci ...

Q1 A solid spherical region having a spherical cavity whose diameter R is equal to the radius of spherical region ,has total charge Q.Find electric field at point at distance x from the centre of spherical region and lying on ...

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A stone is dropped into a well and a splash is heard 2.2s later.What is depth of well?? ...

a stick of length l lies on horz .table.It has mass M and is free to move any way on the table.A ball of mass m moving perpendicularly to the stick at a distance d from the centre with speed v collidesw elasticaly. What quant ...

A bead can slide on straight wire and a particle of mass m can is attached to the bead by a light string of length l.The particle is held in contact with the wire with the string taut and then it is let fall.If the bead has m ...

*Image* A long copper wire carries a current i. what is the magnetic field at a distance x from the centre of the wire ...

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A screen is placed at a certain distance from a narrow slit which is illuminated by a parallel beam of monochromatic light of wavelength λ. if d is the width of the slit,what is the angular width of the central maximum? ...

A block of mass 1kg held by a sting is on an inclined plane of inclination 37 degrees. The coeff. of friction (μ) = 0.8. Find the tension in the string. ...

There is a parabolic shaped bridge across a river of width 100m. The highest point of the bridge is 5m above the level of the banks. A car of mass 1000kg is crossing the bridge at a constant speed of 20m/s. Find the force exe ...

Two point masses m1 and m2 are connected by a spring of natural length l.The spring is compressed such that two point masses touch each other and then they are fastened by a string.Then system is moved with velocity v along t ...

There is a linear current density K= 2a A/m in z direction , on the X=0 plane, what is the field due to this current in two regions X>0 and X< 0 ? ...

While deriving mirror and lens formula, we substitute for obj and img distance with proper sign following the carteian sign convention i.e. we have taken sign convention into consideration while deriving the formulae. But whi ...

A ball of mass m and radius r rolls along a circular path of radius R,Its speed at the bottom os path is v0 Find the force of the path on the ball as a function of theta *Image* ...

A disc is placed on ground.Friction coeffiocient is @.What is min force reqd to move the disc if it is applied at the bottom most pt. ...