Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Properties of Matter question

2021 · 27 Jul · Shift 1 · Q71
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Physics
  4. /Properties of Matter
  5. /2021 · 27 Jul · Shift 1 · Q71

Properties of Matter question

2021 · 27 Jul · Shift 1 · Q71

JEE MainPhysicsProperties of MatterNumerical+4 / −1
A stone of mass 20 g is projected from a rubber catapult of length 0.1 m and area of cross section 10 −-− 6 m2 stretched by an amount 0.04 m. The velocity of the projected stone is ‾\underline{\hspace{2cm}}​ m/s. (Young's modulus of rubber = 0.5 ×\times× 109 N/m2)
Numerical answer
PreviousNext

More from Properties of Matter

  • A raindrop with radius R = 0.2 mm falls from a cloud at a height h = 2000 m above the ground. Assume that the drop is spherical throughout its fall and the force of buoyance may be neglected, then the terminal speed attained by the…2021 · MCQ
  • The water is filled upto height of 12 m in a tank having vertical sidewalls. A hole is made in one of the walls at a depth 'h' below the water level. The value of 'h' for which the emerging steam of water strikes the ground at the maximum…2021 · Numerical
  • A uniform heavy rod of weight 10 kg ms − 2, cross-sectional area 100 cm2 and length 20 cm is hanging from a fixed support. Young modulus of the material of the rod is 2 × 1011 Nm − 2. Neglecting the lateral contraction, find the…2021 · MCQ
  • When a rubber ball is taken to a depth of ​ m in deep sea, its volume decreases by 0.5%. (The bulk modulus of rubber = 9.8 × 108 Nm − 2, Density of sea water = 103 kgm − 3, g = 9.8 m/s2)2021 · Numerical
  • Four identical hollow cylindrical columns of mild steel support a big structure of mass 50 × 103 kg. The inner and outer radii of each column are 50 cm and 100 cm respectively. Assuming uniform local distribution, calculate the…2021 · MCQ
  • A cylindrical vessel containing a liquid is rotated about its axis so that the liquid rises at its sides as shown in the figure. The radius of vessel is 5 cm and the angular speed of rotation is ω rad s–1. The difference in the… Includes diagram2020 · MCQ
  • A capillary tube made of glass of radius 0.15 mm is dipped vertically in a beaker filled with methylene iodide (surface tension = 0.05 Nm–1, density = 667 kg m–3) which rises to height h in the tube. It is observed that the two tangents…2020 · MCQ
  • A wire of density 9 × 10–3 kg cm–3 is stretched between two clamps 1 m apart. The resulting strain in the wire is 4.9 × 10–4. The lowest frequency of the transverse vibrations in the wire is : (Young’s modulus of wire Y = 9 ×…2020 · Numerical