).(a) 2 TL (b) 4 TL (c) 8 TL (d) 10 TL2).(a) (b) 60 dynes (c) 750 dynes (d) 750 dynes3).(a) 7.28 N/cm (b) 7.28 dyne/cm (c) 72.8 dyne/cm (d) 7.28×102 dyne/cm4).(a) 4o C (b) 25o C (c) 50o C (d) 75o C5).(a) (b) (c) (d)6).(a) 0.1 (b) 0.2 (c) 0.001 (d) 0.0027).(a) 28 N (b) 14 N (c) 50 N (d) 38 N8).(a) (b) (c) (d)9).PHYSICSA square frame of side L is dipped in a liquid. On taking out, a membrane is formed. If the surface tension of the liquid is T, the forceacting on the frame will beQ.Type:- MCQ Single, Ans:- cForce necessary to pull a circular plate of 5 cm radius from water surface for which surface tension is 75 dynes/cm, isQ.Type:- MCQ Single, Ans:- dThe maximum force, in addition to the weight required to pull a wire of 5.0 cm long from the surface of water at temperature 20oC,is 728 dynes. The surface tension of water isQ.Type:- MCQ Single, Ans:- cAt which of the following temperatures, the value of surface tension of water is minimumQ.Type:- MCQ Single, Ans:- dA thin metal disc of radius r floats on water surface and bends the surface downwards along the perimeter making an angle θ withvertical edge of the disc. If the disc displaces a weight of water W and surface tension of water is T, then the weight of metal disc isQ.Type:- MCQ Single, Ans:- cA 10 cm long wire is placed horizontally on the surface of water and is gently pulled up with a force of 2 ×10-2 N to keep the wire inequilibrium. The surface tension, in Nm-1, of water isQ.Type:- MCQ Single, Ans:- aThe force required to separate two glass plates of area with a film of water 0.05 mm thick between them, is (Surfacetension of water is N/m)Q.Type:- MCQ Single, Ans:- aThe dimensions of surface tension areQ.Type:- MCQ Single, Ans:- cA thread is tied slightly loose to a wire frame as in figure and the frame is dipped into a soap solution and taken out. The frame iscompletely covered with the film. When the portion A punctured with a pin, the thread.