When the pressure on a metal cube is increased by P Pa , its volume decreases to nV m3 .The bulk modulus of the material is (Initial volume is V m3) (1) 2P/(1-n) Pa(2) 2P/(1+n) Pa(3) P/(1+n) Pa(4) P/(1-n) Pa Please help

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Grade 12General Physics

When the pressure on a metal cube is increased by P Pa , its volume decreases to nV m³ .The bulk modulus of the material is (Initial volume is V m³)

(1) 2P/(1-n) Pa
(2) 2P/(1+n) Pa
(3) P/(1+n) Pa
(4) P/(1-n) Pa

Please help

MANAV S

7 Years agoGrade 12

2 Answers

Meet Shah

7 Years ago

BULK MODULUS IS CHANGE IN PRESSURE PER RATE OF CHANGE IN VOLUME

BULK MODULUS= CHANGE IN PRESSURE * VOLUME

CHANGE IN VOLUME

= / $\frac{\Delta P\Delta V}{V}$

= $\frac{PV}{V-nV}$

= $\frac{PV}{V(1-N))}$

Meet Shah

Approved Tutor Answer7 Years ago

BULK MODULUS IS CHANGE IN PRESSURE PER RATE OF CHANGE IN VOLUME

BULK MODULUS= $\frac{CHANGE IN PRESSURE * VOLUME }{CHANGE IN VOLUME}$

= $\frac{\Delta P V}{\Delta V}$

= $\frac{P V}{V-nV}$

= $\frac{P}{1-n}$

THEREFORE ANSWER (4) IS CORRECT

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When the pressure on a metal cube is increased by P Pa , its volume decreases to nV m3 .The bulk modulus of the material is (Initial volume is V m3) (1) 2P/(1-n) Pa(2) 2P/(1+n) Pa(3) P/(1+n) Pa(4) P/(1-n) Pa Please help

MANAV S

2 Answers

Meet Shah

Meet Shah

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When the pressure on a metal cube is increased by P Pa , its volume decreases to nV m³ .The bulk modulus of the material is (Initial volume is V m³)

(1) 2P/(1-n) Pa
(2) 2P/(1+n) Pa
(3) P/(1+n) Pa
(4) P/(1-n) Pa

Please help

. Because of the rotation of the earth, a plumb bob may not hang exactly along the direction of
the earth’s gravitational pull (its weight) but deviates slightly from this direction. Calculate the
deviation (a) at 40 latitude, (b) at the poles, and (c) at the equator