Q 1 / In a sapphire laser with a wavelength of 694.3 nm, the sapphire crystal is 0.1 m long and the reflectivity of the two-time mirrors is 97% and 90%. If the amount of loss is 10% for each complete cycle. Calculate the wind (gain) coefficient of the threshold? And what is the inverse qualification to obtain such a profit coefficient if you know that n= 1.82 change in frequency v = 3×10^12 HZ and the second residence time is equal to 200×10^-6sec​

The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is transformed ⇒ as it changes into other forms of energy.

Which is the best for showing percentages of different types of cars sold(gas hybrid , electric , other ) in the united states ?

Which of the following statements is true about women and minorities in early psychology? a. in the early 20th century, numerous graduate schools recruited women and minorities to study psychology. b. opportunities in higher education were limited for women and minorities in the early 20th century due to discrimination. c. despite some obstacles, there were numerous employment opportunities for women and minorities. d. women and minorities were often selected to do academic research in an effort to make the field more diverse.