Explanation
In Young's double slit experiment, the two equally bright slits are coherent, but of phase difference π3 .If maximum intensity on the screen isI0, the intensity at the point on the screen equidistant from the slits is____?
The average depth of Indian Ocean is about 3000 m. Calculate the fractional compression,ΔVV of water at the bottom of the ocean, given that the bulk modulus of water is 2.2×109Nm−2 (consider g=10ms−2)
A uniform heavy rod of length L, weight W and cross-sectional area A is hanging from a fixed support. Young's modulus of the material is Y. Find the elongation of the rod.
=(L−x)WdxLAY;Totalelongation=WLAY∫L0(L−x)dx=WL2AY
(c) Y=FlAΔl=2Mg(1−cosθ)Lπd24Δl
or 1−cosθ=Yπd2Δl8MgL or cosθ=1−Yπd2Δl8MgL
Here we have used the energy conservation
KE=PE
mv22=mgl(1−cosθ)
or mv2l=2mg(1−cosθ)
Thus
θ=cos−1(1−Yπd2Δl8MgL)
Please disable the adBlock and continue. Thank you.