Recently Active Physics Questions

*Image* ...

2 capacitors with capacitance C1 & C2 are connected with a battery in same circuit, 1st in parallel, then in series... C1≠C2 Current circulates in the circuit & this circuit is left for sufficiently long time.....Now answer ...

An invertor operates at a Voltage of max 12 V, so how can it run the fans and other appliances which function at no-less than 220V....(Domestic house supply)? [99] ...

1) A: Two tuning forks having frequencies 410 Hz and 524 Hz are kept closed and made to vibrate.Beats will not be heard R: Sound waves superimpose only when frequencies of superimposing waves are equal or nearly equal 2) A:Nu ...

*Image* ...

GIVE A EXAMPLE OF A CASE IN WHICH MAGNETIC LINES OF FORCE EXIST WITHOUT POLARITY ????????? ...

the speed of earth's rotation about its axis ω.its speed is increased to x times to make eff. acceleration zero at the equator then x=?????? ...

A metallic spherical shell of radius r1 is surrounded by another concentric metallic spherical shell of radius r2.The space between the two shells is filled with dielectric of dielectric constant K.If a charge Q is given to t ...

can anyone give me account of what happens when a body is passed through a tunnel dug through a earth when it is a diameter and a chord........ ...

*Image* ...

*Image* In the arrangement shown in the figure, the appreciable friction exisits b/w the wedge and body m. The friction coeff being equals to @.The masses of pulley and thread are negligible. Show that the acc of body m relat ...

Ok here r a few ques i found quite tricky...well at least to me they were tricky..and hence i cud not solve them:)so pls do me a favour and solve them for me. 1)Solve |2x-1/x-1|>2 2)Solve |x/x-1|+|x|=x2/|x-1| 3)solve (x+3) ...

Why does a spacecraft follow a series of elongated elliptical orbits before setting itself towards the orbits of the moon or other planets? ...

*Image* A block of mas m rests on a bracket of mass M. The coeff of friction b/w the block and bracket are @s and @k. The bracket rests on a frictionless surface. Show that the max force F that can be applied if the block is ...

*Image* A block of mas m rests on a bracket of mass M. The coeff of friction b/w the block and bracket are @s and @k. The bracket rests on a frictionless surface. Show that the max force F that can be applied if the block is ...

hie ppl..cant u help me out wid dis...for IIT jeee thermodynamics do we need the 1st chapter of HCVERMA part 2.....reply as soon as spoosible..!!! ...

i understand phy very well...... but is not able 2 score well inspite of prctsng a lot. What 2 do?? plz help.. ...

A drop of water sticks to a glass surface due to cohesive forces between glass and water molecules. But why does an air bubble stick to a glass surface under water? ...

this is an extension of a traditional problem.... here is the setup with some initial compression in the spring such that when string is burned lower block just leaves the ground. (a string is tied b/w two blocks) Here u have ...

An ornament for the courtyard at the world's fair is made up of four spheres each being identical and weighing 2 6 N. The spheres are arranged such that the three of them forms the base and the fourth one lying on their t ...

The lower end of the capillary tube is immersed in mercury. The level of mercury in the tube is found to be 2 cm below the outer level. iF the same tube is immersed in water then the water rise in the capillary is? ...

Ques) A coil of current crrying Nichrome wire is immersed in aliquid. When the potetial difference across the coil is 12 V and the current through the coil is 5.2 A., the liquidm evaporated at the steady rate of 21mg/sec. Cal ...

Water level in tub is 1m.If a capillary tube of very small radius and length 4m is dipped into the water,it rises in the tube up to 2m.If another capillary tube of same radius but 2m length is dipped into water, will the wate ...

1) A potentiometer wire of length 100 cm has a resistance of 10 ohm. It is connected in series with a resistance and an accumulator of emf 2V and of negligible reistance.A source of emf 10 mV is balanced against a length of 4 ...

In case of beats,intensity of sound at some positions in space remains maximum and at others remains minimum Give appropriate reason also ...

Why closed pipe can't be used as musical instrument ? ...

Q.Two uniform rods A and B of lenghts 5m and 3m are placed end to end.If their linear densities are 3kg/m and 2kg/m , the position of their center of mass from their interface is 1.19/14 m on the side of heavier rod 2.8/7 m o ...

*Image* for finding resistance is it in parallel or series??//how to know that as here it appears to be in parallel ...

*Image* 1) In the above figure A has a mass 40kg and B is of 15 kg and F is 500N parallel to the smooth inclined plane. The system is moving together.(a) Show that the acc of the system is 45/11 m/s2 (b) Show that the least c ...

*Image* Ques1) In the above figure, show that the current in 3 ohm resistance is 1/7 A. Ques2) *Image* Find the current in branch CD of the circuit. Ques3) What would happen to the drift velocity of electrons in a wire and to ...