1. A simple telescope used to view distant objects has eyepiece and objective lens of focal lengths fe and f0,

respectively. Then

Column I------------------------------------------ Column II

(A) Intensity of light received by lens---------- (P) Radius of aperture (R)

(B) Angular magnification------------------------ (Q) Dispersion of lens

(C) Length of telescope-------------------------- (R) focal length f0, fe

(D) Sharpness of image--------------------------- (S) spherical aberration

2. The IUPAC name of C-6H-5COCl is

(A) Benzoyl chloride

(B) Benzene chloro ketone

(C) Benzene carbonyl chloride

(D) Chloro phenyl ketone

3. Integral of [(x^2-1)/(x^3*(SQRT(2x^4-2x^2+1))]

(A) [(SQRT(2x^4-2x^2+1)/x^2] + c

(B) [(SQRT(2x^4-2x^2+1)/x^3] +c

(C) [(SQRT(2x^4-2x^2+1)/x] + c

(D) [(SQRT(2x^4-2x^2+1)/2x^2] + c

## Saturday, September 29, 2007

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