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A ray of light falls on a glass slab of refractive index u.if the reflected and refracted rays are mutually perpendicular to each other,find the angle of incidence.
Ans) let i be angle of incidence then angle of reflection is i ,by snell law sin i=usin r90-i+90-r=90i+r=90putting in above eqn.u= tan i
According to Hooke's law, within elastic limit, stress strain or stress = E Χ strain or Stress / Strain= E = a constant, Where E is called a
What are the applications of laser transitions? Applications of laser transitions: a. High coherence of light is helpful for measuring length precisely by interferometry or
What is the Directionality of LASER? Directionality: Laser emits light which is highly directional. Laser light is emitted like a relatively narrow beam in an exact direction.
Define Heat engine Heat engine is a device by which a system is made to undergo a cyclic process that results in conversion of heat into work. It is explained as the ratio o
I am a impaired student and need a step by step solution for this problem. A32.0 m steel wire and a 23.0 m copper wire, both with 1.00 mm diameters, are connected end to end and
A parallel plate capacitor is made from 25 plates, each 70mmby 120mm interleaved with mica of relative permittivity 5. If the capacitance of the capacitor is 3000pF verify the
Difference in heights between the pipe and Gage is 5m Density of water is 1000kg/m 3 Acceleration due to gravity 10 m/s 2 Actual Pressure is nothing but the absolute pre
Q. Explain Construction of michelsons interferometer? It consists of two highly polished plane mirror M1 and M2, with two optically plane glass plate G 1 and G 2 which are of
A 32.53 N light hangs at equilibrium from two cables at angles 78.3 and 60.2 with respect to the ceiling. What is the tension in the first cable?
Static limit: The distance through a rotating black hole where no observer can probably remain at rest (w.r.t. the distant stars) due to inertial frame dragging; this region i
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