IIT-JEE 2007 Paper 2 Offline | Properties of Matter Question 49 | Physics

1

IIT-JEE 2007 Paper 2 Offline

MCQ (Single Correct Answer)

+4

-0

Column I gives some devices and Column II gives some process on which the functioning of these devices depend. Match the devices in Column I with the processes in Column II and indicate your answer by darkening appropriate bubbles in the $$4 \times 4$$ matrix given in the ORS.

	Column I		Column II
(A)	Bimetallic strip	(P)	Radiation from a hot body
(B)	Steam engine	(Q)	Energy conversion
(C)	Incandescent lamp	(R)	Melting
(D)	Electric fuse	(S)	Thermal expansion

A

$$[\mathrm{A} \rightarrow(\mathrm{Q, S}); \mathrm{B} \rightarrow(\mathrm{R}); \mathrm{C} \rightarrow(\mathrm{P}); \mathrm{D} \rightarrow(\mathbf{R})]$$

B

$$[\mathrm{A} \rightarrow(\mathrm{R, S}); \mathrm{B} \rightarrow(\mathrm{R}); \mathrm{C} \rightarrow(\mathrm{P}); \mathrm{D} \rightarrow(\mathbf{R, S})]$$

C

$$[\mathrm{A} \rightarrow(\mathrm{S}); \mathrm{B} \rightarrow(\mathrm{Q}); \mathrm{C} \rightarrow(\mathrm{P}); \mathrm{D} \rightarrow(\mathbf{R})]$$

D

$$[\mathrm{A} \rightarrow(\mathrm{P, S}); \mathrm{B} \rightarrow(\mathrm{R}); \mathrm{C} \rightarrow(\mathrm{P}); \mathrm{D} \rightarrow(\mathbf{R})]$$

2

IIT-JEE 2006

MCQ (Single Correct Answer)

+3

-1

A wooden cylinder of diameter $4 r$, height $h$ and density $\frac{\rho}{3}$ is kept on a hole of diameter $2 r$ of a tank, filled with water of density $\rho$ as shown in the figure. The height of the base of cylinder from the base of tank is H . IIT-JEE 2006 Physics - Properties of Matter Question 3 English Comprehension

IIT-JEE 2006 Physics - Properties of Matter Question 3 English Comprehension

If the level of liquid starts decreasing slowly when the level of liquid is at a height $h_1$ above the cylinder, the block just starts moving up. Then, the value of $h_1$ is:

A

$\frac{2 h}{3}$

B

$\frac{5 h}{4}$

C

$\frac{5 h}{3}$

D

$\frac{5 h}{2}$

3

IIT-JEE 2006

MCQ (Single Correct Answer)

+3

-1

A wooden cylinder of diameter $4 r$, height $h$ and density $\frac{\rho}{3}$ is kept on a hole of diameter $2 r$ of a tank, filled with water of density $\rho$ as shown in the figure. The height of the base of cylinder from the base of tank is H . IIT-JEE 2006 Physics - Properties of Matter Question 2 English Comprehension

IIT-JEE 2006 Physics - Properties of Matter Question 2 English Comprehension

Let the cylinder is prevented from moving up, by applying a force and water level is further decreased. Then, the height of water level ( $h_2$ in the figure) for which the cylinder remains in original position without application of force is

A

$\frac{h}{3}$

B

$\frac{4 h}{9}$

C

$\frac{2 h}{3}$

D

$h$

4

IIT-JEE 2006

MCQ (Single Correct Answer)

+3

-1

A wooden cylinder of diameter $4 r$, height $h$ and density $\frac{\rho}{3}$ is kept on a hole of diameter $2 r$ of a tank, filled with water of density $\rho$ as shown in the figure. The height of the base of cylinder from the base of tank is H . IIT-JEE 2006 Physics - Properties of Matter Question 4 English Comprehension

IIT-JEE 2006 Physics - Properties of Matter Question 4 English Comprehension

If the height $h_2$ of water level is further decreased, then

A

cylinder will not move up and remains at its position.

B

for $h_2=\frac{h}{3}$, the cylinder again starts moving up

C

for $h_2=\frac{h}{4}$, the cylinder again starts moving up

D

for $h_2=\frac{h}{5}$, the cylinder again starts moving up.

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