Mechanical Physics - Study Mode
[#201] Consider the following statements. 1. The SI unit of young's modulus of elasticity is N/M 2 . 2. The reciprocal of the bulk modulus of the material of the body is called the compressibility of that material. 3. Compressibility of gases is very small. Which of the statements given above are correct?
Correct Answer
(C) 1 and 2
[#202] The surface of a lake is frozen in severe winter, but the water at its bottom is still liquid. Why? Following are some options
Correct Answer
(C) The density of water is maximum at 4°C
[#203] A sudden fall in barometer reading indicates that the weather will be
Correct Answer
(A) Stormy weather
[#204] For which one of the following capillarity is not the only reason?
Correct Answer
(D) Rising of water from the roots of a plant to its foliage
[#205] When an air bubble at the bottom of lake rises to the top, it will
Correct Answer
(A) Increased in size