L-9 to L-11

L-6 to L-9

The energies of three conservative energy levels L_3,L_2 and L_1 of hydrogen atom are E_0 . (4E_0)/9 and E_0/4 respectively. A photon of wavelength lambda is emitted for a transition L_3 to L_1 .What will be the wavelength of emission for transition L_2 to L_1 ?

The energies of three consecutive energy levels L_(3), L_(2) and L_(1) of hydrogen atom are E_(0), 4E_(0)/9 and E_(0)/4 respectively. A photon of wavelength lambda is emitted for a transition L_(3) to L_(1) . What will be the wavelength of emission for transition L_(2) to L_(1) ?

What is the increase in entropy when 11.2 L of O_(2) are mixed with 11.2 L of H_(2) at STP?

The line l_(1) passing through the point (1,1) and the l_(2), passes through the point (-1,1) If the difference of the slope of lines is 2. Find the locus of the point of intersection of the l_(1) and l_(2)

Consider a regular 10-gon with its vertices on the unit circle. With one vertex fixed, draw straight lines to the other 9 vertices. Call them L_(1), L_(2), ….L_(9) and denote their lengths by l_(1), l_(2)….l_(9) respectively. Then the product l_(1)l_(2)....l_(9) is

Consider a regular 10-gon with its vertices on the unit circle. With one vertex fixed, draw straight lines to the other 9 vertices. Call them L_1 , L_2 ,…, L_9 and denote their lengths by l_1 ,l_2 ,…, l_9 respectively. Then the product l_1 , l_2,...,l_9 is

Line L_(1) is parallel to the line L_(2). Slope of L_(1) is 9. Also L_(3), is parallel to L_(4) .Slope of L_(4) is (1)/(-25) All these lines touch the ellipse (x^(2))/(25)+(y^(2))/(9)=1. Find the area of the parllelogram formed by these lines.

The vector equations of two lines L_1 and L_2 are respectively vec r=17hat i–9hat j+9hat k+ lambda(3hat i +hat j+ 5hat k) and vec r=15hat –8hat j-hat k+mu(4hat i+3hat j) I L_1 and L_2 are skew lines II (11, -11, -1) is the point of intersection of L_1 and L_2 III (-11, 11, 1) is the point of intersection of L_1 and L_2. IV cos^-1 (3/sqrt35) is the acute angle between _1 and L_2 then , which of the following is true?

Justify L + L = L and L-L =L