Title Institute of Forestry, IOF, TU BSc Forestry Question Paper 2070.pdf ✅

Tribhuvan University Institute of Forestry (IOF) B.Sc. Forestry Entrance Examination 2070 Full Marks: 100 Time: 2 hours Cross the box of the correct answer of the multiple choice questions on the answer sheet attached at the last. Candidates are required to attempt all the questions. 1. A fielder can throw a cricket ball to a maximum horizontal distance of 100 m. How high the fielder can throw the same ball? a. 25 m b. 50 m c. 40 m d. 100 m 2. A liquid is placed in a graduated glass cylinder. The coefficient of real expansion of the liquid is thrice that of linear expansion of the glass on heating the level of liquid will a. First decrease than increase b. Decreases c. increase d. Approximately remains the same 3. The polarizing angle between reflected & refracted rays is a. 0° b. 45° c. 90° d. 180° 4. The direction of two forces 6N and 2N acting on a body of mass 2 kg the minimum acceleration of the body can't be less than. a. 2 m/ s 2 b. 3m/ s 2 c. 2.5 m/ s 2 d. 4m / s 2 5. At the same temperature pressure & volume of two gases which of the following quantities is constant a. Total number of molecule b. Root mean square velocity

13. When a rod of length 2 m carrying current 10 A is placed perpendicular to magnetic flux density of strength of 0. 15 T. What is the force experience by it a. 2 N b. 0. 3 N c. 1 N d. 3 N 14. If the biconvex lens in silvered on one side than it will behave as a. Concave mirror b. Convex mirror c. Plane mirror d. Converging mirror 15. A current is flowing through a circular wire in clockwise direction. What will be the direction of magnetic lines of force? a. parallel to the plane of the coil b. Perpendicular to the plane of the coil away from the reader c. Perpendicular to the plane of the coil towards the reader d. At any angle 16. A body travels with velocity 30 m/ s for 1st half of time and with velocity 40 m/ s 2nd half of time then what would be average velocity. a. 50 m/ s b. 35 m/ s c. 40 m/ s d. 30 m/ s 17. When two tuning forks of frequencies 484 HZ and 486 Hz are sounded together. What will be the beat frequency a. 4 Hz b. 2 Hz c. 3 Hz d. 6 Hz 18. The intensity of sound at night increases because of a. Low temperature b. Increase in density c. Decrease in density d. Loudness 19. In a dynamo voltage is 6 V current 0. 5 A what is the power generated a. 12 W b. 15 W c. 3 W d. 5 W 20. The internal structure of crystal can be