SawaalBoxसवाल बॉक्स
1997 · Q134Science & TechnologyPhysicseasy

A smooth inclined plane is inclined at an angle θ with the horizontal as shown in the figure. A body starts from rest and slides down the inclined surface. The time taken by the body to reach the bottom is

  1. (a)(2h / g)
  2. (b)(2l / g)
  3. (c)(2l / (g sin θ))
  4. (d)(1/ sin θ) (h / 2g)
Show answerHide answer

Official answer(c) (2l / (g sin θ))

2015 · Q30Science & TechnologyPhysicsmoderate

In the context of modern scientific research, consider the following statements about ‘IceCube’, a particle detector located at South Pole, which was recently in the news : 1. It is the world’s largest neutrino detector, encompassing a cubic kilometre of ice. 2. It is a powerful telescope to search for dark matter. 3. It is buried deep in the ice. Which of the statements given above is/are correct?

  1. (a)1 only
  2. (b)2 and 3 only
  3. (c)1 and 3 only
  4. (d)1, 2 and 3
Show answerHide answer

Official answer(d) 1, 2 and 3