Related InterviewSolutions

• Given opposite words of : usually
• Given opposite words of : respectfully
• which of the following compounds is NOT prepared by the action of alcoholic `NH_(3)` an alkyl halideA. `CH_(3)NH_(2)`B. `CH_(3)-CH_(2)-NH_(2)`C. `CH_(3)-CH_(2)-CH_(2)-NH_(2)`D. `(CH_(3))_(3) C- NH_(2)`
• A uniform solid sphere has a radius 0.1 m and density ` 6 xx 10 ^ 3 ` kg/ `m^ 3 ` . Find the moment of intertia about a tangent to its surface.
• The Conductivity of 0.02M Ag `NO_(3)` at `25^(@)C` is `2.428 xx 10^(-3) Omega^(-1) cm^(-1)`. What is its molar conductivity?
• You should not have to be constantly looking up new words in the dictionary . For that `underline(" deadens" )` interest and checks real learning . The underlined word here means : (i) develops (ii) deprives of (iii) creates .
• Determine the change in wavelength of light during its passage from air to glass. Refractive Index of Glass with respect to Air is 1.5 and the frequency of light is ` 5 xx 10 ^( 14 ) ` Hz. Also find the wave number of light in glass (velocity of light in air ` c = 3xx 10 ^( 8 ) m//s ` ).
• What is Broglie wavelength of an electron accelerated through 25000 volt ?
• If the probability that a fulurorescent light has a useful life of a least 800 hours is 0.9 find the probability that among 20 such lights at least 2 will not have a useful life of at least 800 hours. [ Given `(0.9) = 0.1348 ] `
• Find `alpha and beta,` so the function f (x) defined by `f(x) =-2 sin x, "for" -pi le x le-pi/2` `=alpha sinx+beta"for" -pi/2lt x lt pi/2` `=cosx , "for" pi/2 le x le pi,` is continuous on `[-pi, pi].`