Physics-

General

Easy

Question

# Two rods P and Q have equal lengths. Their thermal conductivities are K_{1} and K_{2 }and cross sectional areas are A_{1} and A_{2}. When the temperature at ends of each rod are T_{1} and T_{2} respectively, the rate of flow of heat through P and Q will be equal, if

## The correct answer is:

Or

### Related Questions to study

physics-

### The graph shows the variation of temperature of one of a material with the heat supplied to it. At the substance is in the solid state. From the graph, we can conclude that

### The graph shows the variation of temperature of one of a material with the heat supplied to it. At the substance is in the solid state. From the graph, we can conclude that

physics-General

Maths-

### In the adjoining figure, AP and BP are angle bisector of and which meets at P on the parallelogram ABCD. Then =

Hence option 1 is correct

### In the adjoining figure, AP and BP are angle bisector of and which meets at P on the parallelogram ABCD. Then =

Maths-General

Hence option 1 is correct

physics-

### A block of mass m is attached with a massless spring of force constant k. The block is placed over a rough inclined surface for which the coefficient of friction is . The minimum value of M required to move the block up the plane is:(Neglect mass of string and pulley and friction in pulley)

### A block of mass m is attached with a massless spring of force constant k. The block is placed over a rough inclined surface for which the coefficient of friction is . The minimum value of M required to move the block up the plane is:(Neglect mass of string and pulley and friction in pulley)

physics-General

physics-

### In the figure, a block slides along a track from one level to a higher level, by moving through an intermediate valley. The track is frictionless untill the block reaches the higher level. There a frictional force stops the block in a distance d. The block's initial speed the height difference h is 1.1 m and the coefficient of kinetic friction is 0.6. The value of d is

### In the figure, a block slides along a track from one level to a higher level, by moving through an intermediate valley. The track is frictionless untill the block reaches the higher level. There a frictional force stops the block in a distance d. The block's initial speed the height difference h is 1.1 m and the coefficient of kinetic friction is 0.6. The value of d is

physics-General

physics-

### A ball rolls down an inclined plane figure. The ball is first released from rest from P and then later from Q. Which of the following statement is/are correct?

### A ball rolls down an inclined plane figure. The ball is first released from rest from P and then later from Q. Which of the following statement is/are correct?

physics-General

physics-

### A wedge of mass M fitted with a spring of stiffness 'k' is kept on a smooth horizontal surface. A rod of mass m is kept on the wedge as shown in the figure. System is in equilibrium. Assuming that all surfaces are smooth, the potential energy stored in the spring is:

### A wedge of mass M fitted with a spring of stiffness 'k' is kept on a smooth horizontal surface. A rod of mass m is kept on the wedge as shown in the figure. System is in equilibrium. Assuming that all surfaces are smooth, the potential energy stored in the spring is:

physics-General

physics-

### A particle 'A' of mass kg is moving in the positive x–direction. Its initial position is x = 0 & initial velocity is 1 . The velocity at is:(use the graph given)

### A particle 'A' of mass kg is moving in the positive x–direction. Its initial position is x = 0 & initial velocity is 1 . The velocity at is:(use the graph given)

physics-General

Maths-

### The perimeter of a right triangle is 132 cm. and the sum of the squares of its sides is 6050 cm^{2}. What is the sum of the perpendicular sides –

Hence Choice 1 is correct

### The perimeter of a right triangle is 132 cm. and the sum of the squares of its sides is 6050 cm^{2}. What is the sum of the perpendicular sides –

Maths-General

Hence Choice 1 is correct

Maths-

### In figure, triangle ABC is right-angled at B. Given that AB = 9 cm, AC = 15 cm, calculate the length of BC

For such questions, we should know the Pythagoras theorem of a triangle.

### In figure, triangle ABC is right-angled at B. Given that AB = 9 cm, AC = 15 cm, calculate the length of BC

Maths-General

For such questions, we should know the Pythagoras theorem of a triangle.

Maths-

### In DABC, AD is the median through A and E is the produced meets in F figure. Then the value of AF is equal to

Hence AF=(1/3)AC

### In DABC, AD is the median through A and E is the produced meets in F figure. Then the value of AF is equal to

Maths-General

Hence AF=(1/3)AC

Maths-

### In the figure shown below, and . Which one of the following is a true statement?

Hence Choice 1 is correct

### In the figure shown below, and . Which one of the following is a true statement?

Maths-General

Hence Choice 1 is correct

Maths-

### One of the angles of a triangle is . If the difference of other two angles is , the largest angle of this triangle has a measure of

### One of the angles of a triangle is . If the difference of other two angles is , the largest angle of this triangle has a measure of

Maths-General

Maths-

### In figure If YO and ZO are bisectors of and respectively of , find

Hence choice 4 is correct

### In figure If YO and ZO are bisectors of and respectively of , find

Maths-General

Hence choice 4 is correct

Maths-

### In figure if and , find x and y.

Hence choice 2 is correct

### In figure if and , find x and y.

Maths-General

Hence choice 2 is correct

Maths-

### In Figure. PS is the bisector of and . Then is equal to

Hence Choice 2 is correct

### In Figure. PS is the bisector of and . Then is equal to

Maths-General

Hence Choice 2 is correct