Recently Active Physics Questions

JUST CONFIRM THE ANSWER. I am getting 3h/2 from top. suppose in a container of height 2h ,there are two liquids of density rho(0) and 2 rho(0) ( each height h). we want to find the point on the container where a hole can be d ...

In the given arrangement pulley P1 and P2 are moving with constant speed vo downward and the centre of the pulley P lies on the principal axis of a convex mirror having radius of curvature R. Find the speed of image of pulley ...

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Ques 1) Figure (a) *Image* Three progressive waves A,B and C are shown in the figure. With respect to wave A, the wave C (a) lags behind the phase by \pi /2 and B leads by \pi /2 (b) leads in phase by \pi /2 and B lags behind ...

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1)It is said that separation between the two charges forming the dipole should be small, but small compared to what? 2)The electric potential decreases uniformly from 120 V to 80V as one moves on the X axis from -1 cm to +1cm ...

1) When an object is at a distance x1 and x2 from the poles of a concave mirror , imagesm of same magnification are formed. The magnitude of the focal length of the mirror is : a) \left|\frac{x_{1}+x_{2}}{2} \right| b) \left| ...

Can we prove the different identities in trignometry? Like sin(A+B) = sinAcosB + cosAsinB and so on. I STUDY IN CLASS IX AND I WANT TO PREPARE FOR IIT. WHAT SHOULD I DO? PLS. GUIDE ...

*Image* detailed ans shall be appreciated.... ANS--B ...

A mechanism with 2 sliders is shown in the fig. Slider A at the instant shown has a speed of 3 m/sec and is accelerating at the rate of 15 m/s^2 towards rite at the given instant . If rod AB has a length of 3m and \theta is 6 ...

A Long pliablle carpet is laid on ground. One end of the carpet is bent back and pulled backwards with a constant velocity of 16 m/s. If mass/length of the carpet is 1 Kg/m , the minimum force required to pull the carpet is : ...

about what axis would a uniform cube have its minimum and max moment of inertia . explain pls the approach of solving it. ...

can anyone upload narayana part test 4...... question paper .i've got 3 part test papers ......it will be very helpful ...

a) x = 2.0 cos (50t + tan–1 0.75) = 2.0 cos (50t + 0.643) v = dt dx = – 100 sin (50t + 0.643) the square is pie.....? can u explain hw we get this? ...

uploading physics of paper 2 first of all- more will follow if everyone is interested *Image* *Image* *Image* *Image* *Image* *Image* *Image* *Image* ...

a body can hav kinetic energy without having linear momentum . how is it possible......... explain pls ...

PLease see page 98 vol1 friction chapter,28 problem. I am not getting the answer. *Image* Find acceleration of M. N1 is normal force between the two blocks and N2 is that between the ground and M. Let M move with acceleration ...

Q. A rubber cord catapult has cross-sectional area 25mm2 and initial length of rubber cord is 10cm. It is stretched to 5cm. and then released to project a missile of mass 5gm. Taking Yrubber = 5 x 108 N/m2, find the velocity ...

*Image* CALCULATE CHARGE AT EQUILIBRIUM WHEN BOTH BALOONS HAVE = CHARGE ...

1000+40+1000+30+1000+20+1000+10 = ? ...

it was found the the winding radius of a tape on a cassette was reduced by half in time t1 = 20. in what time will the winding radius will be reduced by half again? ...

1.species having highest electron affinity: a)O b)F- c)Cl- d)O- ans given O,shudnt it be O-? adding more.. 2.if a+3b+2c=12,then max value of 6bc(1+a)+a(3b+2c) is a)112 b)115 c)102 d)92 ...

Can two sources producing monochromatic lights of different wavelengths be coherent? Please provide a clear explanation. ...

2007 IIT-JEE question Q- A spherical portion has been removed from non-conducting solid sphere having charge uniformly distributed in its volume as shown in the figure.The electric field inside the emptied space is (A) zero e ...

show that if a billiard ball is heated inside an ellipse from focus it will always pass along the major axis.(after a finite time) ...

1.a solid sphere,a hollow sphere and a disc all havin same mass and radius are placed at top of an incline and released such that friction coefficient is same for all and is not enough to allow pure rolling.least time to reac ...

QUES.1 A metal sphere of radius a and mass M is surrounded by a thin uniform spherical shell of eual mass and radius 4a . The cente of the shell falls on the surface of the inner sphere .find the gravitational field at the po ...

A reversible heat engine takes heat from two sources of 600k and 900k, does work equal to 150 joules and rejects 120 joules of heat into sink at temperature of 300k, find the heat supplied by individual sources? ...