write correct alternatives for each sub 00estions1. The ratio of the angular speed of the minute hand of a clock to that of its hour handisc) 24:1d) 12:1a) 3600: 1b) 60:1A car is moving along a horizontal curve of radius 20 m and the coefficient of frbetween the road and wheels of the car is 0.25. It's maximum safe sped isa) 3 m/sc) 7 m/sd) 9 m/sb) 5 m/se gravitational potential due to Eartha) The centreb) The surface3. This minimum atc) Distance equal to 100 times the radius of the earthd) Infinite distance4. The nature of light wave is similar torays.5. Wave theory of light is given by6. Intensity of light depends upon7. For destructive interference, the phase difference between two waves must bea) Cathodea) Younga) Velocitya) 0,t, 2T, 3T,b) 0, 21, 41T,6b) Anodeb) Maxwellb) Wavelengthc) Gammac) Einsteinc)AmplitudeT,3T,51T,71T,d) Alphad) Huygensd) Frequencyd) 0, 4T, 5T, 12T,....