Recently Active Physics Questions

*Image* WAT is d tension in d region placed in d magnetic field? R-radius of circle X-represents magnetic field. ...

what will be the shape of the graph when velcoity is plotted against distance could anyone tell me how to solve these types of graph sums forgot to add the motion is shm ...

Can V say this ?? [7] A.C. only flows on the surface of the wire. ...

*Image* A plank of mass 4 kg is placed on a smooth horizontal surface. A block of mass 2 kg is placed on the plank and is being acted upon a horizontal force F=0.5t , where F is in Newton and t is in s. if the coefficient of ...

Two similar balls are connected by a string of length 2l and are placed at a separation l on smooth horizontal table. one of the balls is given a velocity v0 shown in the figure . What are velocities of the balls when the str ...

*Image* each palte shown above has surface area A on one side and the separation between consequitive plates is d.the emf of the battery connected is 10 volts.find the magnitude of charge supplied by the battery tp each of th ...

If the latitude of a place is 30°, the pole star will be seen at an altitude of A. 30° B. 0° C. 90° D. 60° ...

A travelling wave pulse is given by, y= 10/ 5+(x+2t)2 here x and y are in meter and t in second . In which direction and with what velocity is the pulse propagating? What is the amplitude of pulse? ...

Ques1) Calculate the change in the value of g at altitude 45 defree. Take radius of earth = 6370 km. Ques2) Determine the speed with which the earth would have to rotate on it's axis , so that a person on the equator would we ...

A sample of 210 A which is emitter with T1/2 = 138 days is observed by a student to have 2000 disintegrations per second. The mass of 210A sample is 1.) 1.0 × 10-11 kg 2. ) 1.7 × 10-11 kg 3). 1.7 × 10-11 gm 4.) 1.2 × 10-1 ...

The displacement of a wave disturbance propagating in the positive x-direction is given by y= 1/(1+x2 ) at t=0 and y= 1/ [1+(x-1)2] at t=2s where x and y are in meter. The shape of the wave disturbance does not change during ...

Does anyone have any info on 'Deflection Magnetometer' ? I need to submit my ISC Physics project on that topic and i could not find much on the net.. If anyone has ne ebook or info on it,,pls do help,as currently i have only ...

*Image* A conductor AB of length L is carrying a current 'i' is placed perpendicular to a st. conductor XY carrying a Current I as shown.The force on AB will act A. Upward B. Downward C. To the right D. To the left Explain wh ...

i dnt wnt ans,sum1 pls explain me the capacitance when charged inner sphere(radius a) is earthed.charged outer sphere has radius b.cant derive it. ...

*Image* question of paper-2 jee-09 Photoelectric effect experiments are performed using three different metal plates p, q and r having work functions φp = 2.0 eV, φq = 2.5 eV and φr = 3.0 eV, respectively. A light beam con ...

we all know what is a virtual image and what is a real image....... now in a mirror and a lens all the images whenever v is formed after the mirror it is a virtual image but in some cases even the negative images or the image ...

A bullet loses 1/20 th of its velocity on passing through a plank. Assuming the planks exert a constant retarding force, what is the no. of such planks required to just stop the bullet? Options given, but I'd rather someone s ...

The speed of propagation of a wave in a medium is 300 ms-1 . The equation of motion of point at x=0 is given by y=0.04 sin 600 ∩ t (meter). The displacement of a point x=75cm at t=0.01 s is (a) 0.02 m (b) 0.04 m (c) zero (d ...

*Image* A short semicircular right cylinder of radius r and weight W rest on a horizontal surface and is pulled at right angle to its geometric axis by a horizontal force F applied at the middle Q of the front edge.Find out t ...

A Qn is....... Two air bubbles in water --- (a)attract each other (b)repel each other (c) do not exert ny force on each other (d)may attract or repel; depends on the distance between them. The explaination fr the ans (a) goes ...

find the frctional acting on the mass 4kg the options are 24n,8n,18n,10n see... my bro whoos in fiitjee is telling me that opn the block of mass 2kg the frictional force 8n will act so tension will be 2n ... and i solve it bu ...

One side of radius of curvature R2 = 120 cm of a convex lens of material of refractive index μ = 1.5 and focal length f1 = 40 cm is silvered. It is placed on a horizontal surface with silvered surface in contact with it. Ano ...

Pls explain y capacitance of a Parallel plate capacitor becomes Infinite when connected with metal rod in b/w. ...

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STATEMENT-1 : When a revolving electron jumps from higher orbit to lower orbit, then the magnetic field at the centre increases. and STATEMENT-2 : Magnetic field due to revolving electron is inversely proportional to n5, wher ...

A stick of length L and mass M lies on a frictionless horizontal surface on which it is free to move in anyway. A ball of mass m moving with speed v collides elastically with the stick at a distance d below its centre. What m ...

*Image* A particle B of mass 0.6 kgslides down the smooth face of a wedge A of mass 1.7 kg, which can move freely on a smooth horizontal surface. Inclination of the face to the horizontal is 45° . Then : a) acceleration of A ...

where is the flaw......... *Image* ...

1.CAN A SPHERICAL BODY ROLL ON ANOTHER SPHRICAL BODY...EXPLAIN WITH EXAMPLE 2.WHY IS IT THAT A FREEWHEEL IN A CYCLE HAS LARGER DIAMETER THAT A GEAR WHEEL 3ASSUME A BIG SPHERE WHICH ENCOMPASSES THE MOON AROUND THE EARTH AND TH ...

a wire of length l and linear mass density k is lying on a smooth horizontal floor.one end of a wire is pulled with const velocity v.what is the avg.power consumed in lifting the wire just off the ground(end of wire just abov ...