Recently Active Physics Questions

*Image* A man acting with a force F upon a strecthed spring stands in a railway carriage of a uniformly moving train .the train covered a distance L. What work will be done by the man in a coordinate system related to the ear ...

in case of hydrogen and oxugen at N.T.P which of the following quantities is/are the same (a) average linear momentum per molecule (b) average KE per molecule (c)KE per unit molecule (d)KE per unit mass ...

An ideal monoatomic gas at temperature 27°C and pressure 106N/m2 occupies 10 litre volume. 10000 cal of heat is added to the system without changing the volume. Calculate the final temperature of the gas ? i m getting 383 K ...

Make the sketch for acceleration and velocity ..... This is a sort of self evaluation question right now... mainly becaue we dont have an image upload facility yet... we will have it soon though.. promise :) *Image* I will po ...

Explain what will happen in order of occurance A boat has 2 passengers. On the left is a heavy man with weight 100kg. On the right is a light person with weight 10kg. They interchange their position by walking on the boat. Ex ...

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What kind of questions can we get from Kintetic theory of gases??? Also is there any chance of or has there been any questions from the different types of thermometers? ...

1)a glass full of water has a bottom area 20cm2 and top area 20cm2 ht 20 cm ...volume half a litre considering the equilibrium of water find the resultant force exerted by the sides of the glass on the water... ...all standar ...

hey guys! there is a very popular problem... but the thing is dat i for go the trick ... two masses m1 and m2.. and a massless pulley... as usual.. theya re moving wid some acceleration.. the thing is : let m1 be stopped for ...

A block of mass 2m is hanging at the lower end of a rope of mass m and length l . THe other end is fixed to the ceiling .A pulse of wavelength λ0 is produced at the lower end of the rope,what is the wavelength of the pulse w ...

*Image* two blocks are kept on a smooth horizontal table.... they are interconnected by an ideal spring of spring constant k..... A force is aplied as shown....... findthe max. compression of the spring. Ans: m1F/(2k(m1+m2)) ...

A semicircular thin coil of mass M kg and radius R m is hindged at one end A and lies in a vertical plane. At time t=0 the coil was ignited to burn its mass at constant rate K kg/s. Assuming total conversion of mass into ener ...

A = ((B^x)/(C^y + E^z)) + M^n - S^p............ errorrs(uncertainty) of +/- u,v in B and C respectively and ya both M and S and E hav an uncertainty of g,h,i respectively THODA LAMBA HAI PAR I GUESS it deals wid ALL DA CONCEP ...

1)why is luminous efficiency small for a filament bulb as compared to a mercury varour lamp? 2)the yellow colour has greater luminous efficieny as compared to the other colours Can we increase the illuminating power of a ...

a force F\vec{} = -k(yi\dot{} + xj\dot{}) (where K is a positive constant) acts on a particle moving in the xy plane starting from the origin the particle is taken along the positive x axis to the point (a,0) and then paralle ...

a force F\vec{} = -k(yi\dot{} + xj\dot{}) (where K is a positive constant acts on a particle moving in the xy plane starting from the origin the particle is taken along the positive x axis to the point (a,0) and then parallel ...

The tensile stress in a steel wire is 2*10^8 N/m^2 .What is speed of transverse wave in the wire.Density of steel is 7.8g/cm^3 ...

This is a question straight from Resnik-Halliday,although i cudn't find the answer anywhere in the book.(I got to know it frm a TV program) We all know that a black-hole is a star that has collapsed into itself so that it has ...

why is charge never stored in battery???? ...

N identical balls lie equally spaced in a semicircle on a frictionless horizontal table, as shown. The total mass of these balls is M. Another ball of mass m approaches the semicircle from the left, with the proper initial co ...

*Image* for the arrangemnet shown in thefigure, the spring is initially compressed by 3cm. when the spirng is released the block collides with the wall and rebounds to compress the spring again. q>> if the time starts a ...

find the ratio of adiabatic bulk modulus and isothermal bulk modulus of a gas ? γ=CP/CV ...

when light travels from one medium to other its speed changes but whether its colour changes or not i.e. whether colour is determined by frequency of wave or its wavelenght secondly we have done in dopplers effect that since ...

Can conduction and displacement current coexist in the same region???If yes,give exxample ...

1. Consider two bubbles of radii r1 and r2 respectively. Let the are allowed to coalesce, Find the common radius of the interface ...

Two capillary tubes of same length and radii in the ration 1:2 are connected in series and a liquid flows through this system understreamline conditions. if the pressure across the two extreme ends of the tube system is 1m of ...

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is magnetic force conservative ????????? ...

*Image* The max value of m {in kg} so that the arrangement shown in the figure is in equlibrium is given by: 1. 2 2. 2.5 3. 3 4. 4.5 given : - M = 10 kg and μ=.1 for all surfaces ...

Suppose a astronaut has sailed out of his spaceship and by mistake the cable wire conneting him with the spaceship has somehow been cut loose.Now luckily the astronaut had a ball in his hand.Devise a way so that he may return ...