Five Year Papers 1. As a result of constant unbalanced force a body moves with __________. (Uniform velocity, Uniform Speed, Uniform acceleration, Variable Acceleration) 2. The range of the Ghori missile is __________. (1500km, 2000km, 2500km) 3. The velocity of a wave of wavelength l and frequency n is given by __________. (n/l, l/n, nl, 1/ln) 4. In aerodynamics the ratio of the velocity of the sound waves to the velocity of the source is called __________. (Beats, Mach Number, Harmonics) 5. The structure of a crystal can be studied with the help of __________ of x-rays. (Interference, Diffraction, Polarization) 6. The speed of sound __________. (Increases with temperature, Decreases with temperature, Does not change with temperature) 7. Sound waves are __________. (Longitudinal waves, Transverse waves, Not made of material medium) 8. If the vector addition of two vectors of magnitude 3 units and 4 units has a resultant of 5 units, then the angle be...