laser, Physics

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what are the characterstics of laser?

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Youngs experiment, Young's experiment; double-slit experiment (T. Young; 18...

Young's experiment; double-slit experiment (T. Young; 1801): A popular experiment which illustrates the wave nature of light (and indeed of other particles). Light is passed f

The maximum energy stored by the capacitor, A bakelite capacitor is to be c...

A bakelite capacitor is to be constructed to have a capacitance of 0.04µF and to have a steady workingpotential of 1kVmaximum. Allowing a safe value of field stress of 25MV/m find

Friction, define the coefficient of friction

define the coefficient of friction

Determine the mutual inductance of the two coils, When the current in the p...

When the current in the primary coil of 400 turns of a magnetic circuit, enhances linearly from10mA to 35mA in 100ms, an e.m.f. of 75mV is induced into the secondary coil of 240 tu

Projectile motion, in some case we take y=-g but in some case we take y=g.....

in some case we take y=-g but in some case we take y=g... why???

Which ship gets hit ?rst, A battleship concurrently ?res two shells at enem...

A battleship concurrently ?res two shells at enemy ships along the trajectories shown. One ship (A) is close by; the other ship (B) is far away. Which ship gets hit ?rst?

Determine the length of this heat exchanger, A concentric tube heat exchang...

A concentric tube heat exchanger is comprised of a thin wall inner tube of 25.4 mm diameter and an outer tube of 47 mm diameter. The heat exchanger is used for cooling lubricating

Advantages of three phase system over single phase system, Advantages of th...

Advantages of three phase system over single phase system  a) Rotating magnetic field can be set up, by passing three-phase current by stationary coils.   b) Polyphase s

Calculate the wavelength, If you "bow" a string on a violin you hear a note...

If you "bow" a string on a violin you hear a note with a frequency of 1020 Hz. If the length of the string is about 40cm, what is the "wave" on the string? Draw a diagram to show

What is electric flux, What is electric flux? Write its S.I. units. Usin...

What is electric flux? Write its S.I. units. Using Gauss's theorem, assume an expression for the electric field at a point because of a uniformly charged infinite plane sheet.

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