Model Question Paper CET Physics - WIT Solapur

(1) h ≥ 5r2(2) h > 5r2(3) h ∝ 5r2(4) h = 5r231. A hollow sphere has 6.4 m radius minimum velocity required by a cyclist atbottom to complete circle will be :(1) 16 ms -1(2) 12.4 ms -1(3)10.2 ms -1(4) 8 ms -132. A block is lying on an inclined plane which makes 60 0 with the horizontal. Ifcoefficient of friction between block and plane is 0.25 and g = 10 ms -2 . Theacceleration of block when it moves along the plane will be :(1) 86 m/sec. (2) 99 m/sec. (3) 124 m/sec. (4) 172 m/sec.33. A charge moves in a circle perpendicular to a magnetic field. The time periodof revolution is independent of :(1) velocity (2) mass (3) charge (4) magnetic field34. A coil of 40 ΩΩresistance has 100 turns and radius 6 mm. is connected toammeter of 160 ohm resistance. Coil is placed perpendicular to the magneticfield. When coil is taken out of the field 32 µµ µc charge flows through it. Theintensity of magnetic field will be :(1) 0.566 T (2) 0.655 T (3) 5.66 T (4) 6.55 T35. A choke coil of 0.1 H inductance and 12 ΩΩresistance. If it is connected to 60Hz alternating current source the power factor will be:(1) 0.24 (2) 0.28 (3) 0.30 (4) 0.3236. For a gas C v = 4.96 cal/mole-K, when 2 mole gas is heated from 340K to 342K, increase in internal energy is :(1) 9.92 cal. (2) 13.90 cal. (3) 19.84 cal. (4) 27.80 cal.37. Luminous intensity for a bulb of 40 watt at 110 V is 11.01 lumen/watt. Thedistance at which intensity of illumination is 5 lumen/mt 2 will be:(1) 44.04 m (2) 18.78 m (3) 9.39 m (4) 4.40 m38. A 2m long rod of radius 1 cm. which is fixed from one end is given a twist of0.8 radians. The shear strain developed will be :(1) 0.016 (2) .008 (3) .004 (4) .002