Other Physics Answers

An uncharged conductor spherical shell is placed in the electric field of positive charge(q).What will be the net flux through the shell ? What is the S.I unit of flux

What will be the flux through a closed surface what does not contain any charge ?

What is flux,electricfield and potential inside the charged sphere

A car has a speed VA 4 m/s at point A, is moving with a constant acceleration a = 2 m/s reaches point B with VB 12 m/s. a) Calculate the time needed for the car to reach point B. b) Calculate the distance AB. c) The particle reaches point B with VB 12m/s ,moves with this speed, to reach C after 20 seconds. 1) What is with justification the nature of motion between B and C. 2) Calculate the distance BC d) At C, the driver applies a constant braking force ,in a uniformly decelerated inotion in order to stop the car at point D after 5, seconds. D Calculate the acceleration between C and D. 2) Deduce the distance CD. e) Calculate the distance AD and deduce the average speed between A and D.

In young double slit experiment, while using a source of light of wavelength 5000 Å, the fringe width 

obtained is 0.6 cm. If the distance between the screen and the slit is reduced to half, what should be the 

 wavelength of the source to get fringes of 0.3cm wide?

Derive the differential form of wave equation. 10 waves of equal amplitude superpose coherently to 

produce resultant intensity of 10watt/m2

. What would be the intensity if they superpose incoherently. 

The equation of a particle executing SHM is x = 3 sin (2πt+π/6), where x is in meter and t is in seconds. 

Find the amplitude, time period, maximum speed and maximum acceleration. Also find the velocity and 

acceleration at t = 0.5 s.

A glass bottle full of Mercury has a mass 500g. On being heated through 35^°C, 2.43g of Mercury are expelled. Calculate the mass of the Mercury remaining in the bottle. Cubic expansivity of Mercury(alpha =1.8 × 10^–4K^–1) and linear expansivity of glass is 8.0 × 10^–6K^–1)

What will be the new area of 400cm² of a solid, if it's temperature is raised by 10K?(alpha= 19 × 10^–6K^–1).

The ratio of linear expansivity of copper to that of iron Is approximately 1:5. A specimen of iron and specimen of copper expand by the same amount per unit rise in temperature. What is the ratio of the length of iron to that of copper ?