34. A thin metal disc of radius r floats on water surface and bends the surface downwards along the perimeter making an angle θ with vertical 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 is
(a) 2πrT + W
(b) 2πrT COSθ – W
(c) 2πrT COSθ +W
(d) W-2πrT COSθ
Ans. c
(12)
You May Also Like
-
Feb 10, 2025
Click Here for Hindi medium NEET Course (239)
-
Feb 4, 2025
Best Career Counsellors in Chandigarh – Transform Your Future with Flame Institute In today’s competitive world, choosing the right career...
-
Sep 17, 2024
Best Physics coaching Teacher in Chandigarh Mohali At Flame Institute, our physics teacher is highly experienced, specializing in preparing students...
-
Sep 5, 2022
(a) – 5 J (b) – 10 J (c) – 15 J (d) – 20 J Answer-a (123)