Question

new density under s prebuie appo10
11 12 200 kg mº
2) 12 240 kg mº
3) 12600 kg mº
4) 13200 kg m?
47. The compresibility of a material is B. A cube of side 'a'
is made with this material. If a uniform pressure P is
applied on the cube from all the sides the fractional
change in its length will be
1) 2P/B 2) PB/
3 3) PB 4) B/3P
48. The increase in pressure required to decrease the
200litres volume of a liquid by 0.004% in KPa is :
(bulk modulus of the liquid = 2100MPa)
18A 2) 84 3) 92.4 4 168
49. A copper solid cube of 60mm side is subjected to a
compressible pressure of 2.5x10'Pa, If the bulk
modulus of copper is 1.25x10^1Pa, the change in the
volume of cube is
1) 43.2 mm
2) -43.2m
31-432 cm
4)-432 mm
the velocity of proje
1) 0.5 ms 1 2) 0.1 m
57. A steel wire of mass
strain of 1x10-3. What
if density p=7.9 g/cc
1) 4KJ2 ) 0.4K
58. A metal wire of len
has mass m. It is str
of mass. If the wire
due to the load the
wire
(Mg)e
2ms
If 'S' is stress and
a wire the energy
59.
2)

Answer 1

Answer:

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