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Hi I am interested in having the Model question paper for the AFMC entrance examination required for reference purpose?
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The Model question paper for the AFMC entrance examination required for reference purpose is as follows: SET 1 :- ( PHYSICS & CHEMISTRY) 1. If the velocity of light C, the universal gravitational constant G and Planck’s constant h be chosen as fundamental quantities then the dimensions of mass is this system a. hCG b. hCG–1 c. h–1C–1G d. h1/2C1/2G–1/2 2. The force F acting on a particle in terms of time t and distance x is given by F = (AcosBx) (CsinDt) The dimensions of (AC) and (BD) respectively are a. MLT–2, M0L–1T1 b. MLT–2, ML–1T–1 c. ML2T–2, M0L–1T–2 d. MLT–2, M0L–1T–1 3. The density of a material in the CGS system is 8 g/cm3. In a system in which the unit of length is 5 cm and the unit of mass is 20 g, the density is a. 16 units b. 25 units c. 32 units d. 50 units 4. Two forces P and Q acting at a point are such that if P is reversed, the direction of the resultant is turned through 90°. Then a. P = Q b. P = 2Q c. P = Q/2 d. Non relation between P & Q 5. Of the following which one has dimensions different from the remaining three a. Energy per unit volume b. Force per unit area c. Stress × strain d. Force × area 6. How many moles of HCl will be present in 100 mL of a solution of specific gravity 1.08, containing 20% HCl by mass ? a. 0.50 b. 0.60 c. 0.80 d. 0.12 7. The solubility of K2SO4 in water is 16g at 50°C. The minimum amount of water required to dissolve 4g K2SO4 is: a. 10g b. 25g c. 50g d. 75g 8. 1.0 g of pure calcium carbonate was found to require 50 mL of dilute HCl for complete reactions. The strength of the HCl solution is given by: a. 4 N b. 2 N c. 0.4 N d. 0.2 N 9. In Haber process, 30 L of dihydrogen and 30L of dinitrogen were taken for reaction which yielded only 50% of the expected product. What will be the composition of the gaseous mixture under the aforesaid conditions in the end? a. 20 L NH3, 25 L N2 and 20 L H2 b. 10 L NH3, 25 L N2 and 15 L H2 c. 20 L NH3, 10 L N2 and 30 L H2 d. 20 L NH3, 25 L N2 and 15 L H2 10. For the reaction A + 2B ->C, 5 moles of A and 8 moles of B will produce a. 5 moles of C b. 4 moles of C c. 8 moles of C (4) 13 moles of C d. The number of gram atoms of oxygen in 0.16 mol 11. A room has dimension 5m × 3m × 4m. A mosquito files from one corner of the room to its diagonally opposite corner, then magnitude of displacement of mosquito is a. 5 m b. 5 2 m c. 4 m d. 3 m 12. If the resultant of the two vectors having magnitude of 7 and 4 is 11, the dot product of the two vectors could be a. 28 b. 3 c. Zero d. 7/4 13. A force vector F = 2ˆI + 3ˆj N acts at a point P (4m, 2m) in xy plane then magnitude moment of force about origin of co-odinate system is a. 14 Nm b. 8 Nm c. 12 Nm d. Zero 14. Maximum and minimum magnitudes of the resultant of two vectors of magnitudes P and Q are in the ratio 3 : 1. Which of the following relations is true a. P = 2Q b. P = Q c. PQ = 1 d. None of these 15. Which pair of the following forces will never give resultant force of 2N a. 2 N and 2 N b. 1 N and 1 N c. 1 N and 3 N d. 1 N and 4 N 16. The equivalent weight of KIO3 in the reaction, 2Cr(OH)3 + (OH)– + KIO3 à 2CrO42– + 5H2O + KI is : a. Molecular weight b. (Molecularweight)/3 c. (Molecularweight)/6 d. (Molecularweight)/2 17. 1g of a metal required 50 mL of 0.5 N HCl to dissolve it.The equivalent mass of the metal is : a. 25 b. 50 c. 20 d. 40 18. When KMnO4 is reduced with oxalic acid in acidic medium, the oxidation number of Mn changes from : a. 7 to 4 b. 6 to 4 c. 7 to 2 d. 4 to 2 19. In nitric oxide (NO), the oxidation state of nitrogen is: a. –2 b. +1 c. –1 d. +2
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