## laser, Physics

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what is the importance of laser?

#### Determine total bond dissociation energy of the reactants, Given that dH fo...

Given that dH for the reaction is -92.2 kJ mol-1, which is larger, the total bond dissociation energy of the reactants or the total bond dissociation energy of the products?

#### What is the classification of thermodynamic system, i. Open System - Here t...

i. Open System - Here the system boundary is like energy and matter can enter or leave the system freely. Infect the system boundary here is imaginary. ii.Closed System - Here t

#### Atomic structure, Review guide: gases: heat, temperature, volume

Review guide: gases: heat, temperature, volume

#### Dynamics, Action and reaction are always equal and opposite.Then,how does a...

Action and reaction are always equal and opposite.Then,how does a body moves?

#### What is the strength of the magnetic field, A proton with a velocity of 3.9...

A proton with a velocity of 3.98 x 10 4 m/s perpendicular to the direction of a magnetic field follows a circular path with a diameter of 4.12 cm. If the mass of a proton is 1.

#### First low of computer, defination them ????

defination them ????

#### Calculate the index of refraction of air, A Rayleigh interferometer (as sho...

A Rayleigh interferometer (as shown in the figure below) can be used to measure the index of refraction of air. Two transparent tubes (T 1 and T 2 ) are placed behind two slits. O

#### Explain momentum or linear momentum, MOMENTUM OR LINEAR MOMENTUM. It is...

MOMENTUM OR LINEAR MOMENTUM. It is described as "The product of mass and velocity of the body".                                 OR "The quantity of linear motion of a bod

#### Force, a car has a mass of 34.01 kg. The race lasts 30 seconds. you think i...

a car has a mass of 34.01 kg. The race lasts 30 seconds. you think if the car attains an acceleration of .55 m/s^2 to attain a final velocity of 16.54m/s it will win the race. what

#### Which materials provide a path to the magnetic flux, Materials, which provi...

Materials, which provide a path to the magnetic flux, are classified as (A) Insulating materials. (C) Magnetic materials. (B) Semi conducting materials. (D) Die  