Samal's Physics💞

After elapse of what fraction of T the velocity of x=asin(ωt +π6)SHM, will be half of V(max)

Samal's Physics💞

If 5 complete waves complete in 4m string write the wave equation, given amplitude 2cm, speed 128ms

Samal's Physics💞

Sound travel 350ms in warm air and 3500ms in brass. Change in wavelength as it enters air to brass

Samal's Physics💞

The phase difference between y1=asin(ωt+kx+0.57) and y2=acos(ωt+kx) is

Samal's Physics💞

For simple harmonic wave y=3sinπ2(50t-x).The ratio of max particle velocity to wave velocity is

Samal's Physics💞

A travelling wave in +ve x direction have amplitude 1m, λ=2π m & f=1π Hz . Write equation

Samal's Physics💞

A wave described by y=0.25sin(10πx-2πt) is a travelling wave along Find f and λ

Samal's Physics💞

A transverse wave is y=Asin(wt-kx).For what value of wave velocity equal maximum particle velocity

Samal's Physics💞

Displacement relation for a progressive wavetravelling wave

Samal's Physics💞

Calculate speed of travelling wave in a steel rod (Y=2×10^11 Nm^2, ρ=7800kgm^3)

Samal's Physics💞

A string has a tension 11.76N and linear mass density 0.25Kgm. Find velocity of travelling wave

Samal's Physics💞

Speed of travelling wave

Samal's Physics💞

A travelling wave has a frequency 10Hz and wavelength 5m. What's the speed

Samal's Physics💞

Distinguish between stoke's theorem and green's theorem

Samal's Physics💞

Using stokes theorem prove that ∫(φgradφ).dr=0

Samal's Physics💞

Using stokes theorem prove that line integral of position vector 'r' along a closed curve is zero

Samal's Physics💞

Objective questions (Gauss divergence theorem)

Samal's Physics💞

State and prove Gauss divergence theorem

Samal's Physics💞

Verify Gauss divergence theorem for F=2xyi+yz^2j+zxk and s is the surface of parallelopiped

Samal's Physics💞

Prove that ∫∫(δφδn)ds = ∫∫∫ (div)^2 φdV

Samal's Physics💞

If S is any closed surface enclosing a volume V and F=lxi+myj+nzk then evaluate ∫∫Fds

Samal's Physics💞

Show that ∫∫Div.Fds = 0

Samal's Physics💞

If F=xi+yj+zk, find value of ∫∫F.nds, where s is the surface of the sphere x^2+y^2+z^2=4

Samal's Physics💞

Evaluate ∫∫F.nds, where F=(2x+3z)i-(xz+y)j+(y^2+2z)k, where 's' is surface of sphere with radius 3

Samal's Physics💞

Using Gauss divergence theorem show that ∫∫div (r^2)ds =6v

Samal's Physics💞

Show that ∫∫nds=0, where s is any closed surface and 'n' a unit vector in the +ve normal of 's'

Samal's Physics💞

Prove that ∫∫(rr^2).nds = ∫∫∫(1r^2)dv

Samal's Physics💞

Using Gauss divergence theorem evaluate the surface integral ∫∫(xydydz+yzdzdx+zxdxdy)

Samal's Physics💞

Using Gauss divergence theorem evaluate the surface integral ∫∫(yzdydz+zxdzdx+xydxdy)

Samal's Physics💞

Find value of ∫∫r.ds, where r is the position vector of any point on the closed surface

Samal's Physics💞